Home / 987,146.82-1,480,720.43-356,060.57

Finding the Fourth Proportional to 987,146.82, 1,480,720.43 and 356,060.57

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Solution

The fourth proportional to 987,146.82, 1,480,720.43 and 356,060.57 is: 534,090.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,146.82 : 1,480,720.43 = 356,060.57 : x
  2. Step 2: Convert to fraction form
    987,146.82/1,480,720.43 = 356,060.57/x
  3. Step 3: Cross multiply
    987,146.82x = 1,480,720.43 × 356,060.57
  4. Step 4: Simplify right side
    987,146.82x = 527,226,151,132.54
  5. Step 5: Solve for x
    x = 527,226,151,132.54/987,146.82
  6. Step 6: Final answer
    x = 534,090.92

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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.