Home / 1,008,324.79-1,391,470.11-549,443.32

Finding the Fourth Proportional to 1,008,324.79, 1,391,470.11 and 549,443.32

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Solution

The fourth proportional to 1,008,324.79, 1,391,470.11 and 549,443.32 is: 758,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,324.79 : 1,391,470.11 = 549,443.32 : x
  2. Step 2: Convert to fraction form
    1,008,324.79/1,391,470.11 = 549,443.32/x
  3. Step 3: Cross multiply
    1,008,324.79x = 1,391,470.11 × 549,443.32
  4. Step 4: Simplify right side
    1,008,324.79x = 764,533,953,440.49
  5. Step 5: Solve for x
    x = 764,533,953,440.49/1,008,324.79
  6. Step 6: Final answer
    x = 758,221.92

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Double scale
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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.