Home / 502,456.51-753,261.04-217,932.77

Finding the Fourth Proportional to 502,456.51, 753,261.04 and 217,932.77

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Solution

The fourth proportional to 502,456.51, 753,261.04 and 217,932.77 is: 326,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,456.51 : 753,261.04 = 217,932.77 : x
  2. Step 2: Convert to fraction form
    502,456.51/753,261.04 = 217,932.77/x
  3. Step 3: Cross multiply
    502,456.51x = 753,261.04 × 217,932.77
  4. Step 4: Simplify right side
    502,456.51x = 164,160,267,135.85
  5. Step 5: Solve for x
    x = 164,160,267,135.85/502,456.51
  6. Step 6: Final answer
    x = 326,715.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.