Home / 865,541.80-1,298,312.70-225,844.30

Finding the Fourth Proportional to 865,541.80, 1,298,312.70 and 225,844.30

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Solution

The fourth proportional to 865,541.80, 1,298,312.70 and 225,844.30 is: 338,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,541.80 : 1,298,312.70 = 225,844.30 : x
  2. Step 2: Convert to fraction form
    865,541.80/1,298,312.70 = 225,844.30/x
  3. Step 3: Cross multiply
    865,541.80x = 1,298,312.70 × 225,844.30
  4. Step 4: Simplify right side
    865,541.80x = 293,216,522,912.61
  5. Step 5: Solve for x
    x = 293,216,522,912.61/865,541.80
  6. Step 6: Final answer
    x = 338,766.45

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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.