Home / 763,732.73-1,145,746.61-290,381.29

Finding the Fourth Proportional to 763,732.73, 1,145,746.61 and 290,381.29

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Solution

The fourth proportional to 763,732.73, 1,145,746.61 and 290,381.29 is: 435,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,732.73 : 1,145,746.61 = 290,381.29 : x
  2. Step 2: Convert to fraction form
    763,732.73/1,145,746.61 = 290,381.29/x
  3. Step 3: Cross multiply
    763,732.73x = 1,145,746.61 × 290,381.29
  4. Step 4: Simplify right side
    763,732.73x = 332,703,378,624.93
  5. Step 5: Solve for x
    x = 332,703,378,624.93/763,732.73
  6. Step 6: Final answer
    x = 435,628.02

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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.