Home / 454,916.20-681,062.10-402,428.20

Finding the Fourth Proportional to 454,916.20, 681,062.10 and 402,428.20

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Solution

The fourth proportional to 454,916.20, 681,062.10 and 402,428.20 is: 602,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,916.20 : 681,062.10 = 402,428.20 : x
  2. Step 2: Convert to fraction form
    454,916.20/681,062.10 = 402,428.20/x
  3. Step 3: Cross multiply
    454,916.20x = 681,062.10 × 402,428.20
  4. Step 4: Simplify right side
    454,916.20x = 274,078,594,991.22
  5. Step 5: Solve for x
    x = 274,078,594,991.22/454,916.20
  6. Step 6: Final answer
    x = 602,481.50

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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.