Home / 985,837.60-1,478,751.60-386,375.20

Finding the Fourth Proportional to 985,837.60, 1,478,751.60 and 386,375.20

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Solution

The fourth proportional to 985,837.60, 1,478,751.60 and 386,375.20 is: 579,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,837.60 : 1,478,751.60 = 386,375.20 : x
  2. Step 2: Convert to fraction form
    985,837.60/1,478,751.60 = 386,375.20/x
  3. Step 3: Cross multiply
    985,837.60x = 1,478,751.60 × 386,375.20
  4. Step 4: Simplify right side
    985,837.60x = 571,352,945,200.32
  5. Step 5: Solve for x
    x = 571,352,945,200.32/985,837.60
  6. Step 6: Final answer
    x = 579,560.92

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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.