Home / 832,454.01-1,148,786.52-450,480.78

Finding the Fourth Proportional to 832,454.01, 1,148,786.52 and 450,480.78

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Solution

The fourth proportional to 832,454.01, 1,148,786.52 and 450,480.78 is: 621,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,454.01 : 1,148,786.52 = 450,480.78 : x
  2. Step 2: Convert to fraction form
    832,454.01/1,148,786.52 = 450,480.78/x
  3. Step 3: Cross multiply
    832,454.01x = 1,148,786.52 × 450,480.78
  4. Step 4: Simplify right side
    832,454.01x = 517,506,247,583.09
  5. Step 5: Solve for x
    x = 517,506,247,583.09/832,454.01
  6. Step 6: Final answer
    x = 621,663.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.