Home / 498,619.32-747,512.64-232,242.72

Finding the Fourth Proportional to 498,619.32, 747,512.64 and 232,242.72

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Solution

The fourth proportional to 498,619.32, 747,512.64 and 232,242.72 is: 348,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,619.32 : 747,512.64 = 232,242.72 : x
  2. Step 2: Convert to fraction form
    498,619.32/747,512.64 = 232,242.72/x
  3. Step 3: Cross multiply
    498,619.32x = 747,512.64 × 232,242.72
  4. Step 4: Simplify right side
    498,619.32x = 173,604,368,747.98
  5. Step 5: Solve for x
    x = 173,604,368,747.98/498,619.32
  6. Step 6: Final answer
    x = 348,170.16

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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.