Home / 954,152.10-1,431,228.96-448,342.07

Finding the Fourth Proportional to 954,152.10, 1,431,228.96 and 448,342.07

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Solution

The fourth proportional to 954,152.10, 1,431,228.96 and 448,342.07 is: 672,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,152.10 : 1,431,228.96 = 448,342.07 : x
  2. Step 2: Convert to fraction form
    954,152.10/1,431,228.96 = 448,342.07/x
  3. Step 3: Cross multiply
    954,152.10x = 1,431,228.96 × 448,342.07
  4. Step 4: Simplify right side
    954,152.10x = 641,680,147,414.20
  5. Step 5: Solve for x
    x = 641,680,147,414.20/954,152.10
  6. Step 6: Final answer
    x = 672,513.48

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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.