Home / 992,480.40-1,488,720.60-614,566.80

Finding the Fourth Proportional to 992,480.40, 1,488,720.60 and 614,566.80

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Solution

The fourth proportional to 992,480.40, 1,488,720.60 and 614,566.80 is: 921,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,480.40 : 1,488,720.60 = 614,566.80 : x
  2. Step 2: Convert to fraction form
    992,480.40/1,488,720.60 = 614,566.80/x
  3. Step 3: Cross multiply
    992,480.40x = 1,488,720.60 × 614,566.80
  4. Step 4: Simplify right side
    992,480.40x = 914,918,255,236.08
  5. Step 5: Solve for x
    x = 914,918,255,236.08/992,480.40
  6. Step 6: Final answer
    x = 921,850.20

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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.