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Finding the Fourth Proportional to 542,299.02, 748,417.46 and 300,657.39

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Solution

The fourth proportional to 542,299.02, 748,417.46 and 300,657.39 is: 414,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,299.02 : 748,417.46 = 300,657.39 : x
  2. Step 2: Convert to fraction form
    542,299.02/748,417.46 = 300,657.39/x
  3. Step 3: Cross multiply
    542,299.02x = 748,417.46 × 300,657.39
  4. Step 4: Simplify right side
    542,299.02x = 225,017,238,650.74
  5. Step 5: Solve for x
    x = 225,017,238,650.74/542,299.02
  6. Step 6: Final answer
    x = 414,932.04

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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.