Home / 850,691.28-1,173,980.55-488,181.45

Finding the Fourth Proportional to 850,691.28, 1,173,980.55 and 488,181.45

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Solution

The fourth proportional to 850,691.28, 1,173,980.55 and 488,181.45 is: 673,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,691.28 : 1,173,980.55 = 488,181.45 : x
  2. Step 2: Convert to fraction form
    850,691.28/1,173,980.55 = 488,181.45/x
  3. Step 3: Cross multiply
    850,691.28x = 1,173,980.55 × 488,181.45
  4. Step 4: Simplify right side
    850,691.28x = 573,115,527,170.80
  5. Step 5: Solve for x
    x = 573,115,527,170.80/850,691.28
  6. Step 6: Final answer
    x = 673,705.66

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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.