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Finding the Fourth Proportional to 558,951, 771,354.21 and 304,304.01

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Solution

The fourth proportional to 558,951, 771,354.21 and 304,304.01 is: 419,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,951 : 771,354.21 = 304,304.01 : x
  2. Step 2: Convert to fraction form
    558,951/771,354.21 = 304,304.01/x
  3. Step 3: Cross multiply
    558,951x = 771,354.21 × 304,304.01
  4. Step 4: Simplify right side
    558,951x = 234,726,179,233.38
  5. Step 5: Solve for x
    x = 234,726,179,233.38/558,951
  6. Step 6: Final answer
    x = 419,940.53

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1.5x scale

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.