Home / 784,732.32-1,082,898.72-445,193.28

Finding the Fourth Proportional to 784,732.32, 1,082,898.72 and 445,193.28

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Solution

The fourth proportional to 784,732.32, 1,082,898.72 and 445,193.28 is: 614,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,732.32 : 1,082,898.72 = 445,193.28 : x
  2. Step 2: Convert to fraction form
    784,732.32/1,082,898.72 = 445,193.28/x
  3. Step 3: Cross multiply
    784,732.32x = 1,082,898.72 × 445,193.28
  4. Step 4: Simplify right side
    784,732.32x = 482,099,233,064.60
  5. Step 5: Solve for x
    x = 482,099,233,064.60/784,732.32
  6. Step 6: Final answer
    x = 614,348.64

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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.