Home / 745,990.76-1,119,502.92-296,665.58

Finding the Fourth Proportional to 745,990.76, 1,119,502.92 and 296,665.58

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Solution

The fourth proportional to 745,990.76, 1,119,502.92 and 296,665.58 is: 445,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,990.76 : 1,119,502.92 = 296,665.58 : x
  2. Step 2: Convert to fraction form
    745,990.76/1,119,502.92 = 296,665.58/x
  3. Step 3: Cross multiply
    745,990.76x = 1,119,502.92 × 296,665.58
  4. Step 4: Simplify right side
    745,990.76x = 332,117,983,073.49
  5. Step 5: Solve for x
    x = 332,117,983,073.49/745,990.76
  6. Step 6: Final answer
    x = 445,203.88

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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.