Home / 670,066.10-1,005,099.15-481,109.30

Finding the Fourth Proportional to 670,066.10, 1,005,099.15 and 481,109.30

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Solution

The fourth proportional to 670,066.10, 1,005,099.15 and 481,109.30 is: 721,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,066.10 : 1,005,099.15 = 481,109.30 : x
  2. Step 2: Convert to fraction form
    670,066.10/1,005,099.15 = 481,109.30/x
  3. Step 3: Cross multiply
    670,066.10x = 1,005,099.15 × 481,109.30
  4. Step 4: Simplify right side
    670,066.10x = 483,562,548,487.10
  5. Step 5: Solve for x
    x = 483,562,548,487.10/670,066.10
  6. Step 6: Final answer
    x = 721,663.95

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.