Home / 948,774.20-1,423,160.16-309,076.90

Finding the Fourth Proportional to 948,774.20, 1,423,160.16 and 309,076.90

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Solution

The fourth proportional to 948,774.20, 1,423,160.16 and 309,076.90 is: 463,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,774.20 : 1,423,160.16 = 309,076.90 : x
  2. Step 2: Convert to fraction form
    948,774.20/1,423,160.16 = 309,076.90/x
  3. Step 3: Cross multiply
    948,774.20x = 1,423,160.16 × 309,076.90
  4. Step 4: Simplify right side
    948,774.20x = 439,865,930,456.30
  5. Step 5: Solve for x
    x = 439,865,930,456.30/948,774.20
  6. Step 6: Final answer
    x = 463,614.98

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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.