Home / 918,474.39-1,377,236.93-412,602.83

Finding the Fourth Proportional to 918,474.39, 1,377,236.93 and 412,602.83

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Solution

The fourth proportional to 918,474.39, 1,377,236.93 and 412,602.83 is: 618,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,474.39 : 1,377,236.93 = 412,602.83 : x
  2. Step 2: Convert to fraction form
    918,474.39/1,377,236.93 = 412,602.83/x
  3. Step 3: Cross multiply
    918,474.39x = 1,377,236.93 × 412,602.83
  4. Step 4: Simplify right side
    918,474.39x = 568,251,859,373.11
  5. Step 5: Solve for x
    x = 568,251,859,373.11/918,474.39
  6. Step 6: Final answer
    x = 618,691.02

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1.5x scale

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.