Home / 849,925.53-1,274,981.69-281,099.43

Finding the Fourth Proportional to 849,925.53, 1,274,981.69 and 281,099.43

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Solution

The fourth proportional to 849,925.53, 1,274,981.69 and 281,099.43 is: 421,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,925.53 : 1,274,981.69 = 281,099.43 : x
  2. Step 2: Convert to fraction form
    849,925.53/1,274,981.69 = 281,099.43/x
  3. Step 3: Cross multiply
    849,925.53x = 1,274,981.69 × 281,099.43
  4. Step 4: Simplify right side
    849,925.53x = 358,396,630,209.64
  5. Step 5: Solve for x
    x = 358,396,630,209.64/849,925.53
  6. Step 6: Final answer
    x = 421,680.04

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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.