Home / 883,281.60-1,325,311.20-409,723.20

Finding the Fourth Proportional to 883,281.60, 1,325,311.20 and 409,723.20

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Solution

The fourth proportional to 883,281.60, 1,325,311.20 and 409,723.20 is: 614,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,281.60 : 1,325,311.20 = 409,723.20 : x
  2. Step 2: Convert to fraction form
    883,281.60/1,325,311.20 = 409,723.20/x
  3. Step 3: Cross multiply
    883,281.60x = 1,325,311.20 × 409,723.20
  4. Step 4: Simplify right side
    883,281.60x = 543,010,745,859.84
  5. Step 5: Solve for x
    x = 543,010,745,859.84/883,281.60
  6. Step 6: Final answer
    x = 614,765.15

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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.