Home / 838,764.20-1,257,097.08-660,567.44

Finding the Fourth Proportional to 838,764.20, 1,257,097.08 and 660,567.44

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Solution

The fourth proportional to 838,764.20, 1,257,097.08 and 660,567.44 is: 990,024.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,764.20 : 1,257,097.08 = 660,567.44 : x
  2. Step 2: Convert to fraction form
    838,764.20/1,257,097.08 = 660,567.44/x
  3. Step 3: Cross multiply
    838,764.20x = 1,257,097.08 × 660,567.44
  4. Step 4: Simplify right side
    838,764.20x = 830,397,399,967.08
  5. Step 5: Solve for x
    x = 830,397,399,967.08/838,764.20
  6. Step 6: Final answer
    x = 990,024.85

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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.