Home / 722,844.93-997,531.87-400,560.41

Finding the Fourth Proportional to 722,844.93, 997,531.87 and 400,560.41

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Solution

The fourth proportional to 722,844.93, 997,531.87 and 400,560.41 is: 552,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,844.93 : 997,531.87 = 400,560.41 : x
  2. Step 2: Convert to fraction form
    722,844.93/997,531.87 = 400,560.41/x
  3. Step 3: Cross multiply
    722,844.93x = 997,531.87 × 400,560.41
  4. Step 4: Simplify right side
    722,844.93x = 399,571,776,327.70
  5. Step 5: Solve for x
    x = 399,571,776,327.70/722,844.93
  6. Step 6: Final answer
    x = 552,776.62

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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.