Home / 883,245.60-1,325,257.20-409,687.20

Finding the Fourth Proportional to 883,245.60, 1,325,257.20 and 409,687.20

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Solution

The fourth proportional to 883,245.60, 1,325,257.20 and 409,687.20 is: 614,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,245.60 : 1,325,257.20 = 409,687.20 : x
  2. Step 2: Convert to fraction form
    883,245.60/1,325,257.20 = 409,687.20/x
  3. Step 3: Cross multiply
    883,245.60x = 1,325,257.20 × 409,687.20
  4. Step 4: Simplify right side
    883,245.60x = 542,940,911,547.84
  5. Step 5: Solve for x
    x = 542,940,911,547.84/883,245.60
  6. Step 6: Final answer
    x = 614,711.14

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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.