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Finding the Fourth Proportional to 542,799.34, 749,152.71 and 301,159.78

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Solution

The fourth proportional to 542,799.34, 749,152.71 and 301,159.78 is: 415,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,799.34 : 749,152.71 = 301,159.78 : x
  2. Step 2: Convert to fraction form
    542,799.34/749,152.71 = 301,159.78/x
  3. Step 3: Cross multiply
    542,799.34x = 749,152.71 × 301,159.78
  4. Step 4: Simplify right side
    542,799.34x = 225,614,665,330.00
  5. Step 5: Solve for x
    x = 225,614,665,330.00/542,799.34
  6. Step 6: Final answer
    x = 415,650.22

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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.