Home / 763,891.14-1,145,960.67-258,483.18

Finding the Fourth Proportional to 763,891.14, 1,145,960.67 and 258,483.18

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Solution

The fourth proportional to 763,891.14, 1,145,960.67 and 258,483.18 is: 387,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,891.14 : 1,145,960.67 = 258,483.18 : x
  2. Step 2: Convert to fraction form
    763,891.14/1,145,960.67 = 258,483.18/x
  3. Step 3: Cross multiply
    763,891.14x = 1,145,960.67 × 258,483.18
  4. Step 4: Simplify right side
    763,891.14x = 296,211,558,136.53
  5. Step 5: Solve for x
    x = 296,211,558,136.53/763,891.14
  6. Step 6: Final answer
    x = 387,766.72

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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.