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Finding the Fourth Proportional to 454,407.06, 627,084.74 and 260,763.10

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Solution

The fourth proportional to 454,407.06, 627,084.74 and 260,763.10 is: 359,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,407.06 : 627,084.74 = 260,763.10 : x
  2. Step 2: Convert to fraction form
    454,407.06/627,084.74 = 260,763.10/x
  3. Step 3: Cross multiply
    454,407.06x = 627,084.74 × 260,763.10
  4. Step 4: Simplify right side
    454,407.06x = 163,520,558,382.50
  5. Step 5: Solve for x
    x = 163,520,558,382.50/454,407.06
  6. Step 6: Final answer
    x = 359,854.79

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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.