Home / 971,332.70-1,456,999.05-551,428.70

Finding the Fourth Proportional to 971,332.70, 1,456,999.05 and 551,428.70

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Solution

The fourth proportional to 971,332.70, 1,456,999.05 and 551,428.70 is: 827,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,332.70 : 1,456,999.05 = 551,428.70 : x
  2. Step 2: Convert to fraction form
    971,332.70/1,456,999.05 = 551,428.70/x
  3. Step 3: Cross multiply
    971,332.70x = 1,456,999.05 × 551,428.70
  4. Step 4: Simplify right side
    971,332.70x = 803,431,092,042.74
  5. Step 5: Solve for x
    x = 803,431,092,042.74/971,332.70
  6. Step 6: Final answer
    x = 827,143.05

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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.