Home / 766,460.34-1,149,868.61-261,025.70

Finding the Fourth Proportional to 766,460.34, 1,149,868.61 and 261,025.70

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Solution

The fourth proportional to 766,460.34, 1,149,868.61 and 261,025.70 is: 391,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,460.34 : 1,149,868.61 = 261,025.70 : x
  2. Step 2: Convert to fraction form
    766,460.34/1,149,868.61 = 261,025.70/x
  3. Step 3: Cross multiply
    766,460.34x = 1,149,868.61 × 261,025.70
  4. Step 4: Simplify right side
    766,460.34x = 300,145,260,402.82
  5. Step 5: Solve for x
    x = 300,145,260,402.82/766,460.34
  6. Step 6: Final answer
    x = 391,599.21

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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.