Home / 707,655.60-1,061,557.92-408,129.48

Finding the Fourth Proportional to 707,655.60, 1,061,557.92 and 408,129.48

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Solution

The fourth proportional to 707,655.60, 1,061,557.92 and 408,129.48 is: 612,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,655.60 : 1,061,557.92 = 408,129.48 : x
  2. Step 2: Convert to fraction form
    707,655.60/1,061,557.92 = 408,129.48/x
  3. Step 3: Cross multiply
    707,655.60x = 1,061,557.92 × 408,129.48
  4. Step 4: Simplify right side
    707,655.60x = 433,253,081,879.48
  5. Step 5: Solve for x
    x = 433,253,081,879.48/707,655.60
  6. Step 6: Final answer
    x = 612,237.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.