Home / 705,246.40-1,058,906.40-495,812.80

Finding the Fourth Proportional to 705,246.40, 1,058,906.40 and 495,812.80

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Solution

The fourth proportional to 705,246.40, 1,058,906.40 and 495,812.80 is: 744,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,246.40 : 1,058,906.40 = 495,812.80 : x
  2. Step 2: Convert to fraction form
    705,246.40/1,058,906.40 = 495,812.80/x
  3. Step 3: Cross multiply
    705,246.40x = 1,058,906.40 × 495,812.80
  4. Step 4: Simplify right side
    705,246.40x = 525,019,347,121.92
  5. Step 5: Solve for x
    x = 525,019,347,121.92/705,246.40
  6. Step 6: Final answer
    x = 744,448.11

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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.