Home / 771,151.56-1,156,781.40-238,602.48

Finding the Fourth Proportional to 771,151.56, 1,156,781.40 and 238,602.48

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Solution

The fourth proportional to 771,151.56, 1,156,781.40 and 238,602.48 is: 357,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,151.56 : 1,156,781.40 = 238,602.48 : x
  2. Step 2: Convert to fraction form
    771,151.56/1,156,781.40 = 238,602.48/x
  3. Step 3: Cross multiply
    771,151.56x = 1,156,781.40 × 238,602.48
  4. Step 4: Simplify right side
    771,151.56x = 276,010,910,857.87
  5. Step 5: Solve for x
    x = 276,010,910,857.87/771,151.56
  6. Step 6: Final answer
    x = 357,920.45

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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.