Home / 900,531.41-1,242,800.82-513,356.06

Finding the Fourth Proportional to 900,531.41, 1,242,800.82 and 513,356.06

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Solution

The fourth proportional to 900,531.41, 1,242,800.82 and 513,356.06 is: 708,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,531.41 : 1,242,800.82 = 513,356.06 : x
  2. Step 2: Convert to fraction form
    900,531.41/1,242,800.82 = 513,356.06/x
  3. Step 3: Cross multiply
    900,531.41x = 1,242,800.82 × 513,356.06
  4. Step 4: Simplify right side
    900,531.41x = 637,999,335,426.97
  5. Step 5: Solve for x
    x = 637,999,335,426.97/900,531.41
  6. Step 6: Final answer
    x = 708,469.83

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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.