Home / 670,154.10-1,005,231.15-296,906.10

Finding the Fourth Proportional to 670,154.10, 1,005,231.15 and 296,906.10

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Solution

The fourth proportional to 670,154.10, 1,005,231.15 and 296,906.10 is: 445,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,154.10 : 1,005,231.15 = 296,906.10 : x
  2. Step 2: Convert to fraction form
    670,154.10/1,005,231.15 = 296,906.10/x
  3. Step 3: Cross multiply
    670,154.10x = 1,005,231.15 × 296,906.10
  4. Step 4: Simplify right side
    670,154.10x = 298,459,260,345.02
  5. Step 5: Solve for x
    x = 298,459,260,345.02/670,154.10
  6. Step 6: Final answer
    x = 445,359.15

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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.