Home / 727,627.84-1,091,388.48-229,134.40

Finding the Fourth Proportional to 727,627.84, 1,091,388.48 and 229,134.40

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Solution

The fourth proportional to 727,627.84, 1,091,388.48 and 229,134.40 is: 343,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,627.84 : 1,091,388.48 = 229,134.40 : x
  2. Step 2: Convert to fraction form
    727,627.84/1,091,388.48 = 229,134.40/x
  3. Step 3: Cross multiply
    727,627.84x = 1,091,388.48 × 229,134.40
  4. Step 4: Simplify right side
    727,627.84x = 250,074,644,531.71
  5. Step 5: Solve for x
    x = 250,074,644,531.71/727,627.84
  6. Step 6: Final answer
    x = 343,684.82

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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.