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Finding the Fourth Proportional to 452,991.60, 625,114.98 and 259,392.96

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Solution

The fourth proportional to 452,991.60, 625,114.98 and 259,392.96 is: 357,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,991.60 : 625,114.98 = 259,392.96 : x
  2. Step 2: Convert to fraction form
    452,991.60/625,114.98 = 259,392.96/x
  3. Step 3: Cross multiply
    452,991.60x = 625,114.98 × 259,392.96
  4. Step 4: Simplify right side
    452,991.60x = 162,150,425,002.54
  5. Step 5: Solve for x
    x = 162,150,425,002.54/452,991.60
  6. Step 6: Final answer
    x = 357,954.60

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1.5x scale

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.