Home / 763,010.62-1,053,003.87-423,478.88

Finding the Fourth Proportional to 763,010.62, 1,053,003.87 and 423,478.88

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Solution

The fourth proportional to 763,010.62, 1,053,003.87 and 423,478.88 is: 584,428.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,010.62 : 1,053,003.87 = 423,478.88 : x
  2. Step 2: Convert to fraction form
    763,010.62/1,053,003.87 = 423,478.88/x
  3. Step 3: Cross multiply
    763,010.62x = 1,053,003.87 × 423,478.88
  4. Step 4: Simplify right side
    763,010.62x = 445,924,899,503.27
  5. Step 5: Solve for x
    x = 445,924,899,503.27/763,010.62
  6. Step 6: Final answer
    x = 584,428.17

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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.