Home / 866,971.76-1,300,135.01-298,193.18

Finding the Fourth Proportional to 866,971.76, 1,300,135.01 and 298,193.18

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Solution

The fourth proportional to 866,971.76, 1,300,135.01 and 298,193.18 is: 447,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,971.76 : 1,300,135.01 = 298,193.18 : x
  2. Step 2: Convert to fraction form
    866,971.76/1,300,135.01 = 298,193.18/x
  3. Step 3: Cross multiply
    866,971.76x = 1,300,135.01 × 298,193.18
  4. Step 4: Simplify right side
    866,971.76x = 387,691,385,069.59
  5. Step 5: Solve for x
    x = 387,691,385,069.59/866,971.76
  6. Step 6: Final answer
    x = 447,178.80

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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.