Home / 722,848.74-997,537.12-400,564.22

Finding the Fourth Proportional to 722,848.74, 997,537.12 and 400,564.22

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Solution

The fourth proportional to 722,848.74, 997,537.12 and 400,564.22 is: 552,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,848.74 : 997,537.12 = 400,564.22 : x
  2. Step 2: Convert to fraction form
    722,848.74/997,537.12 = 400,564.22/x
  3. Step 3: Cross multiply
    722,848.74x = 997,537.12 × 400,564.22
  4. Step 4: Simplify right side
    722,848.74x = 399,577,678,393.85
  5. Step 5: Solve for x
    x = 399,577,678,393.85/722,848.74
  6. Step 6: Final answer
    x = 552,781.87

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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.