Home / 811,045.56-1,216,742.22-242,471.16

Finding the Fourth Proportional to 811,045.56, 1,216,742.22 and 242,471.16

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Solution

The fourth proportional to 811,045.56, 1,216,742.22 and 242,471.16 is: 363,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,045.56 : 1,216,742.22 = 242,471.16 : x
  2. Step 2: Convert to fraction form
    811,045.56/1,216,742.22 = 242,471.16/x
  3. Step 3: Cross multiply
    811,045.56x = 1,216,742.22 × 242,471.16
  4. Step 4: Simplify right side
    811,045.56x = 295,024,897,504.38
  5. Step 5: Solve for x
    x = 295,024,897,504.38/811,045.56
  6. Step 6: Final answer
    x = 363,758.72

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Double scale
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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.