Home / 724,026.90-1,086,215.92-218,557.67

Finding the Fourth Proportional to 724,026.90, 1,086,215.92 and 218,557.67

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Solution

The fourth proportional to 724,026.90, 1,086,215.92 and 218,557.67 is: 327,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,026.90 : 1,086,215.92 = 218,557.67 : x
  2. Step 2: Convert to fraction form
    724,026.90/1,086,215.92 = 218,557.67/x
  3. Step 3: Cross multiply
    724,026.90x = 1,086,215.92 × 218,557.67
  4. Step 4: Simplify right side
    724,026.90x = 237,400,825,772.71
  5. Step 5: Solve for x
    x = 237,400,825,772.71/724,026.90
  6. Step 6: Final answer
    x = 327,889.51

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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.