Home / 845,007.38-1,166,110.18-487,311.38

Finding the Fourth Proportional to 845,007.38, 1,166,110.18 and 487,311.38

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Solution

The fourth proportional to 845,007.38, 1,166,110.18 and 487,311.38 is: 672,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,007.38 : 1,166,110.18 = 487,311.38 : x
  2. Step 2: Convert to fraction form
    845,007.38/1,166,110.18 = 487,311.38/x
  3. Step 3: Cross multiply
    845,007.38x = 1,166,110.18 × 487,311.38
  4. Step 4: Simplify right side
    845,007.38x = 568,258,753,999.02
  5. Step 5: Solve for x
    x = 568,258,753,999.02/845,007.38
  6. Step 6: Final answer
    x = 672,489.70

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Double scale
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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.