Home / 988,035.64-1,363,471.38-558,306.52

Finding the Fourth Proportional to 988,035.64, 1,363,471.38 and 558,306.52

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Solution

The fourth proportional to 988,035.64, 1,363,471.38 and 558,306.52 is: 770,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,035.64 : 1,363,471.38 = 558,306.52 : x
  2. Step 2: Convert to fraction form
    988,035.64/1,363,471.38 = 558,306.52/x
  3. Step 3: Cross multiply
    988,035.64x = 1,363,471.38 × 558,306.52
  4. Step 4: Simplify right side
    988,035.64x = 761,234,961,287.40
  5. Step 5: Solve for x
    x = 761,234,961,287.40/988,035.64
  6. Step 6: Final answer
    x = 770,452.94

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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.