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Finding the Fourth Proportional to 722,888.28, 997,574.13 and 400,597.38

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Solution

The fourth proportional to 722,888.28, 997,574.13 and 400,597.38 is: 552,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,888.28 : 997,574.13 = 400,597.38 : x
  2. Step 2: Convert to fraction form
    722,888.28/997,574.13 = 400,597.38/x
  3. Step 3: Cross multiply
    722,888.28x = 997,574.13 × 400,597.38
  4. Step 4: Simplify right side
    722,888.28x = 399,625,582,833.78
  5. Step 5: Solve for x
    x = 399,625,582,833.78/722,888.28
  6. Step 6: Final answer
    x = 552,817.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.