Home / 1,109,107.07-1,663,660.91-310,506.25

Finding the Fourth Proportional to 1,109,107.07, 1,663,660.91 and 310,506.25

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Solution

The fourth proportional to 1,109,107.07, 1,663,660.91 and 310,506.25 is: 465,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,107.07 : 1,663,660.91 = 310,506.25 : x
  2. Step 2: Convert to fraction form
    1,109,107.07/1,663,660.91 = 310,506.25/x
  3. Step 3: Cross multiply
    1,109,107.07x = 1,663,660.91 × 310,506.25
  4. Step 4: Simplify right side
    1,109,107.07x = 516,577,110,435.69
  5. Step 5: Solve for x
    x = 516,577,110,435.69/1,109,107.07
  6. Step 6: Final answer
    x = 465,759.46

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.