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Finding the Fourth Proportional to 555,248.16, 766,242.78 and 300,599.46

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Solution

The fourth proportional to 555,248.16, 766,242.78 and 300,599.46 is: 414,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,248.16 : 766,242.78 = 300,599.46 : x
  2. Step 2: Convert to fraction form
    555,248.16/766,242.78 = 300,599.46/x
  3. Step 3: Cross multiply
    555,248.16x = 766,242.78 × 300,599.46
  4. Step 4: Simplify right side
    555,248.16x = 230,332,165,896.90
  5. Step 5: Solve for x
    x = 230,332,165,896.90/555,248.16
  6. Step 6: Final answer
    x = 414,827.43

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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.