Home / 704,724.38-972,520.26-382,434.47

Finding the Fourth Proportional to 704,724.38, 972,520.26 and 382,434.47

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Solution

The fourth proportional to 704,724.38, 972,520.26 and 382,434.47 is: 527,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,724.38 : 972,520.26 = 382,434.47 : x
  2. Step 2: Convert to fraction form
    704,724.38/972,520.26 = 382,434.47/x
  3. Step 3: Cross multiply
    704,724.38x = 972,520.26 × 382,434.47
  4. Step 4: Simplify right side
    704,724.38x = 371,925,270,197.36
  5. Step 5: Solve for x
    x = 371,925,270,197.36/704,724.38
  6. Step 6: Final answer
    x = 527,759.90

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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.