Home / 711,375.40-981,829.38-457,044.52

Finding the Fourth Proportional to 711,375.40, 981,829.38 and 457,044.52

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Solution

The fourth proportional to 711,375.40, 981,829.38 and 457,044.52 is: 630,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,375.40 : 981,829.38 = 457,044.52 : x
  2. Step 2: Convert to fraction form
    711,375.40/981,829.38 = 457,044.52/x
  3. Step 3: Cross multiply
    711,375.40x = 981,829.38 × 457,044.52
  4. Step 4: Simplify right side
    711,375.40x = 448,739,737,704.00
  5. Step 5: Solve for x
    x = 448,739,737,704.00/711,375.40
  6. Step 6: Final answer
    x = 630,805.81

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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.