Home / 704,787.20-972,613.60-382,500.08

Finding the Fourth Proportional to 704,787.20, 972,613.60 and 382,500.08

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Solution

The fourth proportional to 704,787.20, 972,613.60 and 382,500.08 is: 527,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,787.20 : 972,613.60 = 382,500.08 : x
  2. Step 2: Convert to fraction form
    704,787.20/972,613.60 = 382,500.08/x
  3. Step 3: Cross multiply
    704,787.20x = 972,613.60 × 382,500.08
  4. Step 4: Simplify right side
    704,787.20x = 372,024,773,989.77
  5. Step 5: Solve for x
    x = 372,024,773,989.77/704,787.20
  6. Step 6: Final answer
    x = 527,854.05

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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.