Home / 883,321.12-1,324,982.13-284,282.20

Finding the Fourth Proportional to 883,321.12, 1,324,982.13 and 284,282.20

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Solution

The fourth proportional to 883,321.12, 1,324,982.13 and 284,282.20 is: 426,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,321.12 : 1,324,982.13 = 284,282.20 : x
  2. Step 2: Convert to fraction form
    883,321.12/1,324,982.13 = 284,282.20/x
  3. Step 3: Cross multiply
    883,321.12x = 1,324,982.13 × 284,282.20
  4. Step 4: Simplify right side
    883,321.12x = 376,668,834,877.09
  5. Step 5: Solve for x
    x = 376,668,834,877.09/883,321.12
  6. Step 6: Final answer
    x = 426,423.44

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1.5x scale

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.