Home / 498,627.04-748,212.72-288,675.04

Finding the Fourth Proportional to 498,627.04, 748,212.72 and 288,675.04

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Solution

The fourth proportional to 498,627.04, 748,212.72 and 288,675.04 is: 433,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,627.04 : 748,212.72 = 288,675.04 : x
  2. Step 2: Convert to fraction form
    498,627.04/748,212.72 = 288,675.04/x
  3. Step 3: Cross multiply
    498,627.04x = 748,212.72 × 288,675.04
  4. Step 4: Simplify right side
    498,627.04x = 215,990,336,874.51
  5. Step 5: Solve for x
    x = 215,990,336,874.51/498,627.04
  6. Step 6: Final answer
    x = 433,170.12

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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.