Home / 784,723.08-1,082,953.46-462,446.76

Finding the Fourth Proportional to 784,723.08, 1,082,953.46 and 462,446.76

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Solution

The fourth proportional to 784,723.08, 1,082,953.46 and 462,446.76 is: 638,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,723.08 : 1,082,953.46 = 462,446.76 : x
  2. Step 2: Convert to fraction form
    784,723.08/1,082,953.46 = 462,446.76/x
  3. Step 3: Cross multiply
    784,723.08x = 1,082,953.46 × 462,446.76
  4. Step 4: Simplify right side
    784,723.08x = 500,808,318,807.79
  5. Step 5: Solve for x
    x = 500,808,318,807.79/784,723.08
  6. Step 6: Final answer
    x = 638,197.51

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Half scale
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Double scale
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Similar ratio
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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.