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Finding the Fourth Proportional to 632,620.06, 948,930.72 and 258,643.06

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Solution

The fourth proportional to 632,620.06, 948,930.72 and 258,643.06 is: 387,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,620.06 : 948,930.72 = 258,643.06 : x
  2. Step 2: Convert to fraction form
    632,620.06/948,930.72 = 258,643.06/x
  3. Step 3: Cross multiply
    632,620.06x = 948,930.72 × 258,643.06
  4. Step 4: Simplify right side
    632,620.06x = 245,434,345,148.80
  5. Step 5: Solve for x
    x = 245,434,345,148.80/632,620.06
  6. Step 6: Final answer
    x = 387,964.85

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1.5x scale

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.