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Finding the Fourth Proportional to 542,087.97, 748,082.75 and 300,368.58

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Solution

The fourth proportional to 542,087.97, 748,082.75 and 300,368.58 is: 414,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,087.97 : 748,082.75 = 300,368.58 : x
  2. Step 2: Convert to fraction form
    542,087.97/748,082.75 = 300,368.58/x
  3. Step 3: Cross multiply
    542,087.97x = 748,082.75 × 300,368.58
  4. Step 4: Simplify right side
    542,087.97x = 224,700,553,340.00
  5. Step 5: Solve for x
    x = 224,700,553,340.00/542,087.97
  6. Step 6: Final answer
    x = 414,509.39

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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.