Home / 743,680.92-1,025,989.93-550,550.91

Finding the Fourth Proportional to 743,680.92, 1,025,989.93 and 550,550.91

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Solution

The fourth proportional to 743,680.92, 1,025,989.93 and 550,550.91 is: 759,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,680.92 : 1,025,989.93 = 550,550.91 : x
  2. Step 2: Convert to fraction form
    743,680.92/1,025,989.93 = 550,550.91/x
  3. Step 3: Cross multiply
    743,680.92x = 1,025,989.93 × 550,550.91
  4. Step 4: Simplify right side
    743,680.92x = 564,859,683,072.92
  5. Step 5: Solve for x
    x = 564,859,683,072.92/743,680.92
  6. Step 6: Final answer
    x = 759,545.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.