Home / 883,121.40-1,218,729.92-495,967.73

Finding the Fourth Proportional to 883,121.40, 1,218,729.92 and 495,967.73

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Solution

The fourth proportional to 883,121.40, 1,218,729.92 and 495,967.73 is: 684,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,121.40 : 1,218,729.92 = 495,967.73 : x
  2. Step 2: Convert to fraction form
    883,121.40/1,218,729.92 = 495,967.73/x
  3. Step 3: Cross multiply
    883,121.40x = 1,218,729.92 × 495,967.73
  4. Step 4: Simplify right side
    883,121.40x = 604,450,703,331.99
  5. Step 5: Solve for x
    x = 604,450,703,331.99/883,121.40
  6. Step 6: Final answer
    x = 684,448.03

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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.