Home / 722,844.18-997,546.77-400,523.94

Finding the Fourth Proportional to 722,844.18, 997,546.77 and 400,523.94

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Solution

The fourth proportional to 722,844.18, 997,546.77 and 400,523.94 is: 552,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,844.18 : 997,546.77 = 400,523.94 : x
  2. Step 2: Convert to fraction form
    722,844.18/997,546.77 = 400,523.94/x
  3. Step 3: Cross multiply
    722,844.18x = 997,546.77 × 400,523.94
  4. Step 4: Simplify right side
    722,844.18x = 399,541,362,654.67
  5. Step 5: Solve for x
    x = 399,541,362,654.67/722,844.18
  6. Step 6: Final answer
    x = 552,735.12

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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.