Home / 751,057.76-1,036,459.69-449,251.76

Finding the Fourth Proportional to 751,057.76, 1,036,459.69 and 449,251.76

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Solution

The fourth proportional to 751,057.76, 1,036,459.69 and 449,251.76 is: 619,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,057.76 : 1,036,459.69 = 449,251.76 : x
  2. Step 2: Convert to fraction form
    751,057.76/1,036,459.69 = 449,251.76/x
  3. Step 3: Cross multiply
    751,057.76x = 1,036,459.69 × 449,251.76
  4. Step 4: Simplify right side
    751,057.76x = 465,631,339,901.55
  5. Step 5: Solve for x
    x = 465,631,339,901.55/751,057.76
  6. Step 6: Final answer
    x = 619,967.42

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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.