Home / 1,008,744.56-1,392,059.10-549,850.76

Finding the Fourth Proportional to 1,008,744.56, 1,392,059.10 and 549,850.76

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Solution

The fourth proportional to 1,008,744.56, 1,392,059.10 and 549,850.76 is: 758,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,744.56 : 1,392,059.10 = 549,850.76 : x
  2. Step 2: Convert to fraction form
    1,008,744.56/1,392,059.10 = 549,850.76/x
  3. Step 3: Cross multiply
    1,008,744.56x = 1,392,059.10 × 549,850.76
  4. Step 4: Simplify right side
    1,008,744.56x = 765,424,754,099.92
  5. Step 5: Solve for x
    x = 765,424,754,099.92/1,008,744.56
  6. Step 6: Final answer
    x = 758,789.47

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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.