Home / 722,982.85-997,716.41-400,713.73

Finding the Fourth Proportional to 722,982.85, 997,716.41 and 400,713.73

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Solution

The fourth proportional to 722,982.85, 997,716.41 and 400,713.73 is: 552,984.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,982.85 : 997,716.41 = 400,713.73 : x
  2. Step 2: Convert to fraction form
    722,982.85/997,716.41 = 400,713.73/x
  3. Step 3: Cross multiply
    722,982.85x = 997,716.41 × 400,713.73
  4. Step 4: Simplify right side
    722,982.85x = 399,798,662,129.74
  5. Step 5: Solve for x
    x = 399,798,662,129.74/722,982.85
  6. Step 6: Final answer
    x = 552,984.99

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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.