Home / 767,524.80-1,151,287.20-486,206.40

Finding the Fourth Proportional to 767,524.80, 1,151,287.20 and 486,206.40

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Solution

The fourth proportional to 767,524.80, 1,151,287.20 and 486,206.40 is: 729,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,524.80 : 1,151,287.20 = 486,206.40 : x
  2. Step 2: Convert to fraction form
    767,524.80/1,151,287.20 = 486,206.40/x
  3. Step 3: Cross multiply
    767,524.80x = 1,151,287.20 × 486,206.40
  4. Step 4: Simplify right side
    767,524.80x = 559,763,204,878.08
  5. Step 5: Solve for x
    x = 559,763,204,878.08/767,524.80
  6. Step 6: Final answer
    x = 729,309.60

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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.