Home / 527,024.79-727,294.05-285,307.20

Finding the Fourth Proportional to 527,024.79, 727,294.05 and 285,307.20

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Solution

The fourth proportional to 527,024.79, 727,294.05 and 285,307.20 is: 393,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,024.79 : 727,294.05 = 285,307.20 : x
  2. Step 2: Convert to fraction form
    527,024.79/727,294.05 = 285,307.20/x
  3. Step 3: Cross multiply
    527,024.79x = 727,294.05 × 285,307.20
  4. Step 4: Simplify right side
    527,024.79x = 207,502,228,982.16
  5. Step 5: Solve for x
    x = 207,502,228,982.16/527,024.79
  6. Step 6: Final answer
    x = 393,723.85

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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.