Home / 850,691.78-1,173,981.24-488,181.95

Finding the Fourth Proportional to 850,691.78, 1,173,981.24 and 488,181.95

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Solution

The fourth proportional to 850,691.78, 1,173,981.24 and 488,181.95 is: 673,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,691.78 : 1,173,981.24 = 488,181.95 : x
  2. Step 2: Convert to fraction form
    850,691.78/1,173,981.24 = 488,181.95/x
  3. Step 3: Cross multiply
    850,691.78x = 1,173,981.24 × 488,181.95
  4. Step 4: Simplify right side
    850,691.78x = 573,116,445,136.71
  5. Step 5: Solve for x
    x = 573,116,445,136.71/850,691.78
  6. Step 6: Final answer
    x = 673,706.34

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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.