Home / 749,064.31-1,123,708.34-275,713.67

Finding the Fourth Proportional to 749,064.31, 1,123,708.34 and 275,713.67

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Solution

The fourth proportional to 749,064.31, 1,123,708.34 and 275,713.67 is: 413,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,064.31 : 1,123,708.34 = 275,713.67 : x
  2. Step 2: Convert to fraction form
    749,064.31/1,123,708.34 = 275,713.67/x
  3. Step 3: Cross multiply
    749,064.31x = 1,123,708.34 × 275,713.67
  4. Step 4: Simplify right side
    749,064.31x = 309,821,753,929.56
  5. Step 5: Solve for x
    x = 309,821,753,929.56/749,064.31
  6. Step 6: Final answer
    x = 413,611.69

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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.