Home / 875,531.20-1,312,276.20-402,264.40

Finding the Fourth Proportional to 875,531.20, 1,312,276.20 and 402,264.40

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Solution

The fourth proportional to 875,531.20, 1,312,276.20 and 402,264.40 is: 602,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,531.20 : 1,312,276.20 = 402,264.40 : x
  2. Step 2: Convert to fraction form
    875,531.20/1,312,276.20 = 402,264.40/x
  3. Step 3: Cross multiply
    875,531.20x = 1,312,276.20 × 402,264.40
  4. Step 4: Simplify right side
    875,531.20x = 527,881,998,227.28
  5. Step 5: Solve for x
    x = 527,881,998,227.28/875,531.20
  6. Step 6: Final answer
    x = 602,927.68

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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.