Home / 722,848.68-997,537.05-400,564.17

Finding the Fourth Proportional to 722,848.68, 997,537.05 and 400,564.17

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Solution

The fourth proportional to 722,848.68, 997,537.05 and 400,564.17 is: 552,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,848.68 : 997,537.05 = 400,564.17 : x
  2. Step 2: Convert to fraction form
    722,848.68/997,537.05 = 400,564.17/x
  3. Step 3: Cross multiply
    722,848.68x = 997,537.05 × 400,564.17
  4. Step 4: Simplify right side
    722,848.68x = 399,577,600,477.50
  5. Step 5: Solve for x
    x = 399,577,600,477.50/722,848.68
  6. Step 6: Final answer
    x = 552,781.81

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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.