Home / 885,276.80-1,327,259.10-379,423.70

Finding the Fourth Proportional to 885,276.80, 1,327,259.10 and 379,423.70

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Solution

The fourth proportional to 885,276.80, 1,327,259.10 and 379,423.70 is: 568,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,276.80 : 1,327,259.10 = 379,423.70 : x
  2. Step 2: Convert to fraction form
    885,276.80/1,327,259.10 = 379,423.70/x
  3. Step 3: Cross multiply
    885,276.80x = 1,327,259.10 × 379,423.70
  4. Step 4: Simplify right side
    885,276.80x = 503,593,558,580.67
  5. Step 5: Solve for x
    x = 503,593,558,580.67/885,276.80
  6. Step 6: Final answer
    x = 568,854.35

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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.