Home / 722,845.06-997,532.04-400,560.53

Finding the Fourth Proportional to 722,845.06, 997,532.04 and 400,560.53

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Solution

The fourth proportional to 722,845.06, 997,532.04 and 400,560.53 is: 552,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,845.06 : 997,532.04 = 400,560.53 : x
  2. Step 2: Convert to fraction form
    722,845.06/997,532.04 = 400,560.53/x
  3. Step 3: Cross multiply
    722,845.06x = 997,532.04 × 400,560.53
  4. Step 4: Simplify right side
    722,845.06x = 399,571,962,634.38
  5. Step 5: Solve for x
    x = 399,571,962,634.38/722,845.06
  6. Step 6: Final answer
    x = 552,776.78

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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.