Home / 816,982.61-1,225,506.71-284,557.46

Finding the Fourth Proportional to 816,982.61, 1,225,506.71 and 284,557.46

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Solution

The fourth proportional to 816,982.61, 1,225,506.71 and 284,557.46 is: 426,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,982.61 : 1,225,506.71 = 284,557.46 : x
  2. Step 2: Convert to fraction form
    816,982.61/1,225,506.71 = 284,557.46/x
  3. Step 3: Cross multiply
    816,982.61x = 1,225,506.71 × 284,557.46
  4. Step 4: Simplify right side
    816,982.61x = 348,727,071,194.42
  5. Step 5: Solve for x
    x = 348,727,071,194.42/816,982.61
  6. Step 6: Final answer
    x = 426,847.61

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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.