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Finding the Fourth Proportional to 871,694.32, 1,202,511 and 549,249.52

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Solution

The fourth proportional to 871,694.32, 1,202,511 and 549,249.52 is: 757,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,694.32 : 1,202,511 = 549,249.52 : x
  2. Step 2: Convert to fraction form
    871,694.32/1,202,511 = 549,249.52/x
  3. Step 3: Cross multiply
    871,694.32x = 1,202,511 × 549,249.52
  4. Step 4: Simplify right side
    871,694.32x = 660,478,589,544.72
  5. Step 5: Solve for x
    x = 660,478,589,544.72/871,694.32
  6. Step 6: Final answer
    x = 757,695.19

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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.