Home / 658,189.44-908,302.08-356,382.72

Finding the Fourth Proportional to 658,189.44, 908,302.08 and 356,382.72

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Solution

The fourth proportional to 658,189.44, 908,302.08 and 356,382.72 is: 491,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,189.44 : 908,302.08 = 356,382.72 : x
  2. Step 2: Convert to fraction form
    658,189.44/908,302.08 = 356,382.72/x
  3. Step 3: Cross multiply
    658,189.44x = 908,302.08 × 356,382.72
  4. Step 4: Simplify right side
    658,189.44x = 323,703,165,852.06
  5. Step 5: Solve for x
    x = 323,703,165,852.06/658,189.44
  6. Step 6: Final answer
    x = 491,808.51

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.