Home / 866,108.20-1,298,471.10-367,061.80

Finding the Fourth Proportional to 866,108.20, 1,298,471.10 and 367,061.80

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Solution

The fourth proportional to 866,108.20, 1,298,471.10 and 367,061.80 is: 550,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,108.20 : 1,298,471.10 = 367,061.80 : x
  2. Step 2: Convert to fraction form
    866,108.20/1,298,471.10 = 367,061.80/x
  3. Step 3: Cross multiply
    866,108.20x = 1,298,471.10 × 367,061.80
  4. Step 4: Simplify right side
    866,108.20x = 476,619,139,213.98
  5. Step 5: Solve for x
    x = 476,619,139,213.98/866,108.20
  6. Step 6: Final answer
    x = 550,299.77

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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.