Home / 722,982.60-997,716.06-400,713.48

Finding the Fourth Proportional to 722,982.60, 997,716.06 and 400,713.48

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Solution

The fourth proportional to 722,982.60, 997,716.06 and 400,713.48 is: 552,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,982.60 : 997,716.06 = 400,713.48 : x
  2. Step 2: Convert to fraction form
    722,982.60/997,716.06 = 400,713.48/x
  3. Step 3: Cross multiply
    722,982.60x = 997,716.06 × 400,713.48
  4. Step 4: Simplify right side
    722,982.60x = 399,798,274,454.49
  5. Step 5: Solve for x
    x = 399,798,274,454.49/722,982.60
  6. Step 6: Final answer
    x = 552,984.64

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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.