Home / 527,020.04-727,287.50-285,302.43

Finding the Fourth Proportional to 527,020.04, 727,287.50 and 285,302.43

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Solution

The fourth proportional to 527,020.04, 727,287.50 and 285,302.43 is: 393,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,020.04 : 727,287.50 = 285,302.43 : x
  2. Step 2: Convert to fraction form
    527,020.04/727,287.50 = 285,302.43/x
  3. Step 3: Cross multiply
    527,020.04x = 727,287.50 × 285,302.43
  4. Step 4: Simplify right side
    527,020.04x = 207,496,891,058.63
  5. Step 5: Solve for x
    x = 207,496,891,058.63/527,020.04
  6. Step 6: Final answer
    x = 393,717.27

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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.