Home / 722,968.54-997,696.68-400,699.44

Finding the Fourth Proportional to 722,968.54, 997,696.68 and 400,699.44

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Solution

The fourth proportional to 722,968.54, 997,696.68 and 400,699.44 is: 552,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,968.54 : 997,696.68 = 400,699.44 : x
  2. Step 2: Convert to fraction form
    722,968.54/997,696.68 = 400,699.44/x
  3. Step 3: Cross multiply
    722,968.54x = 997,696.68 × 400,699.44
  4. Step 4: Simplify right side
    722,968.54x = 399,776,499,463.24
  5. Step 5: Solve for x
    x = 399,776,499,463.24/722,968.54
  6. Step 6: Final answer
    x = 552,965.28

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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.