Home / 527,421.24-727,844.82-285,703.81

Finding the Fourth Proportional to 527,421.24, 727,844.82 and 285,703.81

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Solution

The fourth proportional to 527,421.24, 727,844.82 and 285,703.81 is: 394,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,421.24 : 727,844.82 = 285,703.81 : x
  2. Step 2: Convert to fraction form
    527,421.24/727,844.82 = 285,703.81/x
  3. Step 3: Cross multiply
    527,421.24x = 727,844.82 × 285,703.81
  4. Step 4: Simplify right side
    527,421.24x = 207,948,038,001.18
  5. Step 5: Solve for x
    x = 207,948,038,001.18/527,421.24
  6. Step 6: Final answer
    x = 394,273.16

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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.