Home / 722,548.07-997,103.29-400,257.17

Finding the Fourth Proportional to 722,548.07, 997,103.29 and 400,257.17

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Solution

The fourth proportional to 722,548.07, 997,103.29 and 400,257.17 is: 552,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,548.07 : 997,103.29 = 400,257.17 : x
  2. Step 2: Convert to fraction form
    722,548.07/997,103.29 = 400,257.17/x
  3. Step 3: Cross multiply
    722,548.07x = 997,103.29 × 400,257.17
  4. Step 4: Simplify right side
    722,548.07x = 399,097,739,051.80
  5. Step 5: Solve for x
    x = 399,097,739,051.80/722,548.07
  6. Step 6: Final answer
    x = 552,347.66

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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.