Home / 763,147.12-1,144,719.60-264,511.12

Finding the Fourth Proportional to 763,147.12, 1,144,719.60 and 264,511.12

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Solution

The fourth proportional to 763,147.12, 1,144,719.60 and 264,511.12 is: 396,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,147.12 : 1,144,719.60 = 264,511.12 : x
  2. Step 2: Convert to fraction form
    763,147.12/1,144,719.60 = 264,511.12/x
  3. Step 3: Cross multiply
    763,147.12x = 1,144,719.60 × 264,511.12
  4. Step 4: Simplify right side
    763,147.12x = 302,791,063,481.95
  5. Step 5: Solve for x
    x = 302,791,063,481.95/763,147.12
  6. Step 6: Final answer
    x = 396,766.31

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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.