Home / 722,224.54-996,572.12-399,926.35

Finding the Fourth Proportional to 722,224.54, 996,572.12 and 399,926.35

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Solution

The fourth proportional to 722,224.54, 996,572.12 and 399,926.35 is: 551,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,224.54 : 996,572.12 = 399,926.35 : x
  2. Step 2: Convert to fraction form
    722,224.54/996,572.12 = 399,926.35/x
  3. Step 3: Cross multiply
    722,224.54x = 996,572.12 × 399,926.35
  4. Step 4: Simplify right side
    722,224.54x = 398,555,450,463.36
  5. Step 5: Solve for x
    x = 398,555,450,463.36/722,224.54
  6. Step 6: Final answer
    x = 551,844.24

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1.5x scale

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.