Home / 791,272.23-1,091,954.20-428,705.10

Finding the Fourth Proportional to 791,272.23, 1,091,954.20 and 428,705.10

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Solution

The fourth proportional to 791,272.23, 1,091,954.20 and 428,705.10 is: 591,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,272.23 : 1,091,954.20 = 428,705.10 : x
  2. Step 2: Convert to fraction form
    791,272.23/1,091,954.20 = 428,705.10/x
  3. Step 3: Cross multiply
    791,272.23x = 1,091,954.20 × 428,705.10
  4. Step 4: Simplify right side
    791,272.23x = 468,126,334,506.42
  5. Step 5: Solve for x
    x = 468,126,334,506.42/791,272.23
  6. Step 6: Final answer
    x = 591,612.24

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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.