Home / 704,787.57-972,614.12-382,500.45

Finding the Fourth Proportional to 704,787.57, 972,614.12 and 382,500.45

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Solution

The fourth proportional to 704,787.57, 972,614.12 and 382,500.45 is: 527,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,787.57 : 972,614.12 = 382,500.45 : x
  2. Step 2: Convert to fraction form
    704,787.57/972,614.12 = 382,500.45/x
  3. Step 3: Cross multiply
    704,787.57x = 972,614.12 × 382,500.45
  4. Step 4: Simplify right side
    704,787.57x = 372,025,336,663.85
  5. Step 5: Solve for x
    x = 372,025,336,663.85/704,787.57
  6. Step 6: Final answer
    x = 527,854.57

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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.