Home / 918,734.44-1,378,381.38-469,770.66

Finding the Fourth Proportional to 918,734.44, 1,378,381.38 and 469,770.66

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Solution

The fourth proportional to 918,734.44, 1,378,381.38 and 469,770.66 is: 704,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,734.44 : 1,378,381.38 = 469,770.66 : x
  2. Step 2: Convert to fraction form
    918,734.44/1,378,381.38 = 469,770.66/x
  3. Step 3: Cross multiply
    918,734.44x = 1,378,381.38 × 469,770.66
  4. Step 4: Simplify right side
    918,734.44x = 647,523,130,614.31
  5. Step 5: Solve for x
    x = 647,523,130,614.31/918,734.44
  6. Step 6: Final answer
    x = 704,799.02

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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.