Home / 763,008.62-1,053,001.11-423,476.88

Finding the Fourth Proportional to 763,008.62, 1,053,001.11 and 423,476.88

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Solution

The fourth proportional to 763,008.62, 1,053,001.11 and 423,476.88 is: 584,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,008.62 : 1,053,001.11 = 423,476.88 : x
  2. Step 2: Convert to fraction form
    763,008.62/1,053,001.11 = 423,476.88/x
  3. Step 3: Cross multiply
    763,008.62x = 1,053,001.11 × 423,476.88
  4. Step 4: Simplify right side
    763,008.62x = 445,921,624,699.34
  5. Step 5: Solve for x
    x = 445,921,624,699.34/763,008.62
  6. Step 6: Final answer
    x = 584,425.41

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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.