Home / 918,891.56-1,267,884.50-536,844.53

Finding the Fourth Proportional to 918,891.56, 1,267,884.50 and 536,844.53

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Solution

The fourth proportional to 918,891.56, 1,267,884.50 and 536,844.53 is: 740,736.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,891.56 : 1,267,884.50 = 536,844.53 : x
  2. Step 2: Convert to fraction form
    918,891.56/1,267,884.50 = 536,844.53/x
  3. Step 3: Cross multiply
    918,891.56x = 1,267,884.50 × 536,844.53
  4. Step 4: Simplify right side
    918,891.56x = 680,656,858,982.27
  5. Step 5: Solve for x
    x = 680,656,858,982.27/918,891.56
  6. Step 6: Final answer
    x = 740,736.87

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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.