Home / 981,348.45-1,354,404.29-551,663.97

Finding the Fourth Proportional to 981,348.45, 1,354,404.29 and 551,663.97

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Solution

The fourth proportional to 981,348.45, 1,354,404.29 and 551,663.97 is: 761,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,348.45 : 1,354,404.29 = 551,663.97 : x
  2. Step 2: Convert to fraction form
    981,348.45/1,354,404.29 = 551,663.97/x
  3. Step 3: Cross multiply
    981,348.45x = 1,354,404.29 × 551,663.97
  4. Step 4: Simplify right side
    981,348.45x = 747,176,044,848.11
  5. Step 5: Solve for x
    x = 747,176,044,848.11/981,348.45
  6. Step 6: Final answer
    x = 761,376.90

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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.