Home / 723,245.38-998,070.62-417,318.10

Finding the Fourth Proportional to 723,245.38, 998,070.62 and 417,318.10

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Solution

The fourth proportional to 723,245.38, 998,070.62 and 417,318.10 is: 575,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,245.38 : 998,070.62 = 417,318.10 : x
  2. Step 2: Convert to fraction form
    723,245.38/998,070.62 = 417,318.10/x
  3. Step 3: Cross multiply
    723,245.38x = 998,070.62 × 417,318.10
  4. Step 4: Simplify right side
    723,245.38x = 416,512,930,222.46
  5. Step 5: Solve for x
    x = 416,512,930,222.46/723,245.38
  6. Step 6: Final answer
    x = 575,894.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.