Home / 784,748.04-1,082,877.42-440,505.12

Finding the Fourth Proportional to 784,748.04, 1,082,877.42 and 440,505.12

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Solution

The fourth proportional to 784,748.04, 1,082,877.42 and 440,505.12 is: 607,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,748.04 : 1,082,877.42 = 440,505.12 : x
  2. Step 2: Convert to fraction form
    784,748.04/1,082,877.42 = 440,505.12/x
  3. Step 3: Cross multiply
    784,748.04x = 1,082,877.42 × 440,505.12
  4. Step 4: Simplify right side
    784,748.04x = 477,013,047,842.39
  5. Step 5: Solve for x
    x = 477,013,047,842.39/784,748.04
  6. Step 6: Final answer
    x = 607,855.04

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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.