Home / 914,663.44-1,372,149.46-315,464.32

Finding the Fourth Proportional to 914,663.44, 1,372,149.46 and 315,464.32

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Solution

The fourth proportional to 914,663.44, 1,372,149.46 and 315,464.32 is: 473,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,663.44 : 1,372,149.46 = 315,464.32 : x
  2. Step 2: Convert to fraction form
    914,663.44/1,372,149.46 = 315,464.32/x
  3. Step 3: Cross multiply
    914,663.44x = 1,372,149.46 × 315,464.32
  4. Step 4: Simplify right side
    914,663.44x = 432,864,196,337.27
  5. Step 5: Solve for x
    x = 432,864,196,337.27/914,663.44
  6. Step 6: Final answer
    x = 473,249.70

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Double scale
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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.