Home / 709,552.80-1,065,106.80-443,613.60

Finding the Fourth Proportional to 709,552.80, 1,065,106.80 and 443,613.60

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Solution

The fourth proportional to 709,552.80, 1,065,106.80 and 443,613.60 is: 665,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,552.80 : 1,065,106.80 = 443,613.60 : x
  2. Step 2: Convert to fraction form
    709,552.80/1,065,106.80 = 443,613.60/x
  3. Step 3: Cross multiply
    709,552.80x = 1,065,106.80 × 443,613.60
  4. Step 4: Simplify right side
    709,552.80x = 472,495,861,932.48
  5. Step 5: Solve for x
    x = 472,495,861,932.48/709,552.80
  6. Step 6: Final answer
    x = 665,906.56

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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.