Home / 578,412.20-867,618.30-410,122.55

Finding the Fourth Proportional to 578,412.20, 867,618.30 and 410,122.55

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Solution

The fourth proportional to 578,412.20, 867,618.30 and 410,122.55 is: 615,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,412.20 : 867,618.30 = 410,122.55 : x
  2. Step 2: Convert to fraction form
    578,412.20/867,618.30 = 410,122.55/x
  3. Step 3: Cross multiply
    578,412.20x = 867,618.30 × 410,122.55
  4. Step 4: Simplify right side
    578,412.20x = 355,829,829,622.67
  5. Step 5: Solve for x
    x = 355,829,829,622.67/578,412.20
  6. Step 6: Final answer
    x = 615,183.83

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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.