Home / 784,639.28-1,082,882.04-462,453.32

Finding the Fourth Proportional to 784,639.28, 1,082,882.04 and 462,453.32

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Solution

The fourth proportional to 784,639.28, 1,082,882.04 and 462,453.32 is: 638,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,639.28 : 1,082,882.04 = 462,453.32 : x
  2. Step 2: Convert to fraction form
    784,639.28/1,082,882.04 = 462,453.32/x
  3. Step 3: Cross multiply
    784,639.28x = 1,082,882.04 × 462,453.32
  4. Step 4: Simplify right side
    784,639.28x = 500,782,394,566.37
  5. Step 5: Solve for x
    x = 500,782,394,566.37/784,639.28
  6. Step 6: Final answer
    x = 638,232.63

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Double scale
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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.