Home / 722,252.31-996,707.26-399,962.01

Finding the Fourth Proportional to 722,252.31, 996,707.26 and 399,962.01

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Solution

The fourth proportional to 722,252.31, 996,707.26 and 399,962.01 is: 551,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,252.31 : 996,707.26 = 399,962.01 : x
  2. Step 2: Convert to fraction form
    722,252.31/996,707.26 = 399,962.01/x
  3. Step 3: Cross multiply
    722,252.31x = 996,707.26 × 399,962.01
  4. Step 4: Simplify right side
    722,252.31x = 398,645,039,091.19
  5. Step 5: Solve for x
    x = 398,645,039,091.19/722,252.31
  6. Step 6: Final answer
    x = 551,947.06

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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.