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Finding the Fourth Proportional to 542,594, 748,779.72 and 304,130

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Solution

The fourth proportional to 542,594, 748,779.72 and 304,130 is: 419,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,594 : 748,779.72 = 304,130 : x
  2. Step 2: Convert to fraction form
    542,594/748,779.72 = 304,130/x
  3. Step 3: Cross multiply
    542,594x = 748,779.72 × 304,130
  4. Step 4: Simplify right side
    542,594x = 227,726,376,243.60
  5. Step 5: Solve for x
    x = 227,726,376,243.60/542,594
  6. Step 6: Final answer
    x = 419,699.40

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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.