Home / 811,252.68-1,119,522.98-448,663.14

Finding the Fourth Proportional to 811,252.68, 1,119,522.98 and 448,663.14

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Solution

The fourth proportional to 811,252.68, 1,119,522.98 and 448,663.14 is: 619,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,252.68 : 1,119,522.98 = 448,663.14 : x
  2. Step 2: Convert to fraction form
    811,252.68/1,119,522.98 = 448,663.14/x
  3. Step 3: Cross multiply
    811,252.68x = 1,119,522.98 × 448,663.14
  4. Step 4: Simplify right side
    811,252.68x = 502,288,693,265.64
  5. Step 5: Solve for x
    x = 502,288,693,265.64/811,252.68
  6. Step 6: Final answer
    x = 619,151.97

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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.