Home / 755,841.20-1,132,449.60-489,464.60

Finding the Fourth Proportional to 755,841.20, 1,132,449.60 and 489,464.60

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Solution

The fourth proportional to 755,841.20, 1,132,449.60 and 489,464.60 is: 733,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,841.20 : 1,132,449.60 = 489,464.60 : x
  2. Step 2: Convert to fraction form
    755,841.20/1,132,449.60 = 489,464.60/x
  3. Step 3: Cross multiply
    755,841.20x = 1,132,449.60 × 489,464.60
  4. Step 4: Simplify right side
    755,841.20x = 554,293,990,484.16
  5. Step 5: Solve for x
    x = 554,293,990,484.16/755,841.20
  6. Step 6: Final answer
    x = 733,347.15

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1.5x scale

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.