Home / 918,230.57-1,377,579.30-539,471.33

Finding the Fourth Proportional to 918,230.57, 1,377,579.30 and 539,471.33

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Solution

The fourth proportional to 918,230.57, 1,377,579.30 and 539,471.33 is: 809,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,230.57 : 1,377,579.30 = 539,471.33 : x
  2. Step 2: Convert to fraction form
    918,230.57/1,377,579.30 = 539,471.33/x
  3. Step 3: Cross multiply
    918,230.57x = 1,377,579.30 × 539,471.33
  4. Step 4: Simplify right side
    918,230.57x = 743,164,537,151.47
  5. Step 5: Solve for x
    x = 743,164,537,151.47/918,230.57
  6. Step 6: Final answer
    x = 809,344.15

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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.