Home / 883,288.40-1,324,932.60-409,816.40

Finding the Fourth Proportional to 883,288.40, 1,324,932.60 and 409,816.40

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Solution

The fourth proportional to 883,288.40, 1,324,932.60 and 409,816.40 is: 614,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,288.40 : 1,324,932.60 = 409,816.40 : x
  2. Step 2: Convert to fraction form
    883,288.40/1,324,932.60 = 409,816.40/x
  3. Step 3: Cross multiply
    883,288.40x = 1,324,932.60 × 409,816.40
  4. Step 4: Simplify right side
    883,288.40x = 542,979,108,374.64
  5. Step 5: Solve for x
    x = 542,979,108,374.64/883,288.40
  6. Step 6: Final answer
    x = 614,724.60

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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.