Home / 880,994.55-1,215,748.84-499,144.35

Finding the Fourth Proportional to 880,994.55, 1,215,748.84 and 499,144.35

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Solution

The fourth proportional to 880,994.55, 1,215,748.84 and 499,144.35 is: 688,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,994.55 : 1,215,748.84 = 499,144.35 : x
  2. Step 2: Convert to fraction form
    880,994.55/1,215,748.84 = 499,144.35/x
  3. Step 3: Cross multiply
    880,994.55x = 1,215,748.84 × 499,144.35
  4. Step 4: Simplify right side
    880,994.55x = 606,834,164,505.05
  5. Step 5: Solve for x
    x = 606,834,164,505.05/880,994.55
  6. Step 6: Final answer
    x = 688,805.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.