Home / 722,844.56-997,531.35-400,560.04

Finding the Fourth Proportional to 722,844.56, 997,531.35 and 400,560.04

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Solution

The fourth proportional to 722,844.56, 997,531.35 and 400,560.04 is: 552,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,844.56 : 997,531.35 = 400,560.04 : x
  2. Step 2: Convert to fraction form
    722,844.56/997,531.35 = 400,560.04/x
  3. Step 3: Cross multiply
    722,844.56x = 997,531.35 × 400,560.04
  4. Step 4: Simplify right side
    722,844.56x = 399,571,194,963.43
  5. Step 5: Solve for x
    x = 399,571,194,963.43/722,844.56
  6. Step 6: Final answer
    x = 552,776.10

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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.