Home / 855,061.20-1,281,209.40-538,952.40

Finding the Fourth Proportional to 855,061.20, 1,281,209.40 and 538,952.40

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Solution

The fourth proportional to 855,061.20, 1,281,209.40 and 538,952.40 is: 807,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,061.20 : 1,281,209.40 = 538,952.40 : x
  2. Step 2: Convert to fraction form
    855,061.20/1,281,209.40 = 538,952.40/x
  3. Step 3: Cross multiply
    855,061.20x = 1,281,209.40 × 538,952.40
  4. Step 4: Simplify right side
    855,061.20x = 690,510,881,032.56
  5. Step 5: Solve for x
    x = 690,510,881,032.56/855,061.20
  6. Step 6: Final answer
    x = 807,557.26

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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.