Home / 816,553.88-1,224,962.22-284,226.20

Finding the Fourth Proportional to 816,553.88, 1,224,962.22 and 284,226.20

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Solution

The fourth proportional to 816,553.88, 1,224,962.22 and 284,226.20 is: 426,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,553.88 : 1,224,962.22 = 284,226.20 : x
  2. Step 2: Convert to fraction form
    816,553.88/1,224,962.22 = 284,226.20/x
  3. Step 3: Cross multiply
    816,553.88x = 1,224,962.22 × 284,226.20
  4. Step 4: Simplify right side
    816,553.88x = 348,166,356,934.16
  5. Step 5: Solve for x
    x = 348,166,356,934.16/816,553.88
  6. Step 6: Final answer
    x = 426,385.04

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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.