Home / 1,109,475-1,663,934.10-310,549.56

Finding the Fourth Proportional to 1,109,475, 1,663,934.10 and 310,549.56

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Solution

The fourth proportional to 1,109,475, 1,663,934.10 and 310,549.56 is: 465,746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,475 : 1,663,934.10 = 310,549.56 : x
  2. Step 2: Convert to fraction form
    1,109,475/1,663,934.10 = 310,549.56/x
  3. Step 3: Cross multiply
    1,109,475x = 1,663,934.10 × 310,549.56
  4. Step 4: Simplify right side
    1,109,475x = 516,734,002,624.00
  5. Step 5: Solve for x
    x = 516,734,002,624.00/1,109,475
  6. Step 6: Final answer
    x = 465,746.41

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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.