Home / 615,788.20-923,742.78-255,884.68

Finding the Fourth Proportional to 615,788.20, 923,742.78 and 255,884.68

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Solution

The fourth proportional to 615,788.20, 923,742.78 and 255,884.68 is: 383,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,788.20 : 923,742.78 = 255,884.68 : x
  2. Step 2: Convert to fraction form
    615,788.20/923,742.78 = 255,884.68/x
  3. Step 3: Cross multiply
    615,788.20x = 923,742.78 × 255,884.68
  4. Step 4: Simplify right side
    615,788.20x = 236,371,625,662.61
  5. Step 5: Solve for x
    x = 236,371,625,662.61/615,788.20
  6. Step 6: Final answer
    x = 383,852.15

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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.