Home / 815,024.80-1,221,370.80-600,115.60

Finding the Fourth Proportional to 815,024.80, 1,221,370.80 and 600,115.60

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Solution

The fourth proportional to 815,024.80, 1,221,370.80 and 600,115.60 is: 899,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,024.80 : 1,221,370.80 = 600,115.60 : x
  2. Step 2: Convert to fraction form
    815,024.80/1,221,370.80 = 600,115.60/x
  3. Step 3: Cross multiply
    815,024.80x = 1,221,370.80 × 600,115.60
  4. Step 4: Simplify right side
    815,024.80x = 732,963,670,464.48
  5. Step 5: Solve for x
    x = 732,963,670,464.48/815,024.80
  6. Step 6: Final answer
    x = 899,314.56

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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.