Home / 908,796.30-1,363,194.45-310,433.10

Finding the Fourth Proportional to 908,796.30, 1,363,194.45 and 310,433.10

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Solution

The fourth proportional to 908,796.30, 1,363,194.45 and 310,433.10 is: 465,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,796.30 : 1,363,194.45 = 310,433.10 : x
  2. Step 2: Convert to fraction form
    908,796.30/1,363,194.45 = 310,433.10/x
  3. Step 3: Cross multiply
    908,796.30x = 1,363,194.45 × 310,433.10
  4. Step 4: Simplify right side
    908,796.30x = 423,180,679,016.30
  5. Step 5: Solve for x
    x = 423,180,679,016.30/908,796.30
  6. Step 6: Final answer
    x = 465,649.65

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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.