Home / 828,225.88-1,242,366.44-229,136.87

Finding the Fourth Proportional to 828,225.88, 1,242,366.44 and 229,136.87

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Solution

The fourth proportional to 828,225.88, 1,242,366.44 and 229,136.87 is: 343,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,225.88 : 1,242,366.44 = 229,136.87 : x
  2. Step 2: Convert to fraction form
    828,225.88/1,242,366.44 = 229,136.87/x
  3. Step 3: Cross multiply
    828,225.88x = 1,242,366.44 × 229,136.87
  4. Step 4: Simplify right side
    828,225.88x = 284,671,959,414.88
  5. Step 5: Solve for x
    x = 284,671,959,414.88/828,225.88
  6. Step 6: Final answer
    x = 343,712.95

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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.