Home / 710,127.20-1,063,441.20-472,181.60

Finding the Fourth Proportional to 710,127.20, 1,063,441.20 and 472,181.60

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Solution

The fourth proportional to 710,127.20, 1,063,441.20 and 472,181.60 is: 707,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,127.20 : 1,063,441.20 = 472,181.60 : x
  2. Step 2: Convert to fraction form
    710,127.20/1,063,441.20 = 472,181.60/x
  3. Step 3: Cross multiply
    710,127.20x = 1,063,441.20 × 472,181.60
  4. Step 4: Simplify right side
    710,127.20x = 502,137,367,321.92
  5. Step 5: Solve for x
    x = 502,137,367,321.92/710,127.20
  6. Step 6: Final answer
    x = 707,109.05

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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.