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Finding the Fourth Proportional to 542,046.07, 747,998.38 and 297,029.37

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Solution

The fourth proportional to 542,046.07, 747,998.38 and 297,029.37 is: 409,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,046.07 : 747,998.38 = 297,029.37 : x
  2. Step 2: Convert to fraction form
    542,046.07/747,998.38 = 297,029.37/x
  3. Step 3: Cross multiply
    542,046.07x = 747,998.38 × 297,029.37
  4. Step 4: Simplify right side
    542,046.07x = 222,177,487,572.42
  5. Step 5: Solve for x
    x = 222,177,487,572.42/542,046.07
  6. Step 6: Final answer
    x = 409,886.72

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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.