Home / 918,087.98-1,377,584.55-413,006.40

Finding the Fourth Proportional to 918,087.98, 1,377,584.55 and 413,006.40

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Solution

The fourth proportional to 918,087.98, 1,377,584.55 and 413,006.40 is: 619,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,087.98 : 1,377,584.55 = 413,006.40 : x
  2. Step 2: Convert to fraction form
    918,087.98/1,377,584.55 = 413,006.40/x
  3. Step 3: Cross multiply
    918,087.98x = 1,377,584.55 × 413,006.40
  4. Step 4: Simplify right side
    918,087.98x = 568,951,235,691.12
  5. Step 5: Solve for x
    x = 568,951,235,691.12/918,087.98
  6. Step 6: Final answer
    x = 619,713.20

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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.