Home / 671,319.70-1,006,979.55-471,865.30

Finding the Fourth Proportional to 671,319.70, 1,006,979.55 and 471,865.30

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Solution

The fourth proportional to 671,319.70, 1,006,979.55 and 471,865.30 is: 707,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,319.70 : 1,006,979.55 = 471,865.30 : x
  2. Step 2: Convert to fraction form
    671,319.70/1,006,979.55 = 471,865.30/x
  3. Step 3: Cross multiply
    671,319.70x = 1,006,979.55 × 471,865.30
  4. Step 4: Simplify right side
    671,319.70x = 475,158,707,454.62
  5. Step 5: Solve for x
    x = 475,158,707,454.62/671,319.70
  6. Step 6: Final answer
    x = 707,797.95

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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.