Home / 987,141.25-1,480,712.08-356,055

Finding the Fourth Proportional to 987,141.25, 1,480,712.08 and 356,055

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Solution

The fourth proportional to 987,141.25, 1,480,712.08 and 356,055 is: 534,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,141.25 : 1,480,712.08 = 356,055 : x
  2. Step 2: Convert to fraction form
    987,141.25/1,480,712.08 = 356,055/x
  3. Step 3: Cross multiply
    987,141.25x = 1,480,712.08 × 356,055
  4. Step 4: Simplify right side
    987,141.25x = 527,214,939,644.40
  5. Step 5: Solve for x
    x = 527,214,939,644.40/987,141.25
  6. Step 6: Final answer
    x = 534,082.57

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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.