Home / 766,925.40-1,150,554.18-293,610.78

Finding the Fourth Proportional to 766,925.40, 1,150,554.18 and 293,610.78

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Solution

The fourth proportional to 766,925.40, 1,150,554.18 and 293,610.78 is: 440,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,925.40 : 1,150,554.18 = 293,610.78 : x
  2. Step 2: Convert to fraction form
    766,925.40/1,150,554.18 = 293,610.78/x
  3. Step 3: Cross multiply
    766,925.40x = 1,150,554.18 × 293,610.78
  4. Step 4: Simplify right side
    766,925.40x = 337,815,110,222.06
  5. Step 5: Solve for x
    x = 337,815,110,222.06/766,925.40
  6. Step 6: Final answer
    x = 440,479.75

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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.