Home / 784,613.32-1,082,734.50-445,074.28

Finding the Fourth Proportional to 784,613.32, 1,082,734.50 and 445,074.28

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Solution

The fourth proportional to 784,613.32, 1,082,734.50 and 445,074.28 is: 614,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,613.32 : 1,082,734.50 = 445,074.28 : x
  2. Step 2: Convert to fraction form
    784,613.32/1,082,734.50 = 445,074.28/x
  3. Step 3: Cross multiply
    784,613.32x = 1,082,734.50 × 445,074.28
  4. Step 4: Simplify right side
    784,613.32x = 481,897,278,018.66
  5. Step 5: Solve for x
    x = 481,897,278,018.66/784,613.32
  6. Step 6: Final answer
    x = 614,184.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.