Home / 731,398.91-1,096,898.77-218,943.81

Finding the Fourth Proportional to 731,398.91, 1,096,898.77 and 218,943.81

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Solution

The fourth proportional to 731,398.91, 1,096,898.77 and 218,943.81 is: 328,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,398.91 : 1,096,898.77 = 218,943.81 : x
  2. Step 2: Convert to fraction form
    731,398.91/1,096,898.77 = 218,943.81/x
  3. Step 3: Cross multiply
    731,398.91x = 1,096,898.77 × 218,943.81
  4. Step 4: Simplify right side
    731,398.91x = 240,159,195,888.11
  5. Step 5: Solve for x
    x = 240,159,195,888.11/731,398.91
  6. Step 6: Final answer
    x = 328,355.97

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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.