Home / 955,445.60-1,433,168.40-386,825.60

Finding the Fourth Proportional to 955,445.60, 1,433,168.40 and 386,825.60

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Solution

The fourth proportional to 955,445.60, 1,433,168.40 and 386,825.60 is: 580,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,445.60 : 1,433,168.40 = 386,825.60 : x
  2. Step 2: Convert to fraction form
    955,445.60/1,433,168.40 = 386,825.60/x
  3. Step 3: Cross multiply
    955,445.60x = 1,433,168.40 × 386,825.60
  4. Step 4: Simplify right side
    955,445.60x = 554,386,226,231.04
  5. Step 5: Solve for x
    x = 554,386,226,231.04/955,445.60
  6. Step 6: Final answer
    x = 580,238.40

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Similar ratio
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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.