Home / 527,019.92-727,287.73-285,302.49

Finding the Fourth Proportional to 527,019.92, 727,287.73 and 285,302.49

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Solution

The fourth proportional to 527,019.92, 727,287.73 and 285,302.49 is: 393,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,019.92 : 727,287.73 = 285,302.49 : x
  2. Step 2: Convert to fraction form
    527,019.92/727,287.73 = 285,302.49/x
  3. Step 3: Cross multiply
    527,019.92x = 727,287.73 × 285,302.49
  4. Step 4: Simplify right side
    527,019.92x = 207,497,000,315.45
  5. Step 5: Solve for x
    x = 207,497,000,315.45/527,019.92
  6. Step 6: Final answer
    x = 393,717.57

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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.