Home / 672,822.78-1,009,233.96-461,821.02

Finding the Fourth Proportional to 672,822.78, 1,009,233.96 and 461,821.02

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Solution

The fourth proportional to 672,822.78, 1,009,233.96 and 461,821.02 is: 692,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,822.78 : 1,009,233.96 = 461,821.02 : x
  2. Step 2: Convert to fraction form
    672,822.78/1,009,233.96 = 461,821.02/x
  3. Step 3: Cross multiply
    672,822.78x = 1,009,233.96 × 461,821.02
  4. Step 4: Simplify right side
    672,822.78x = 466,085,456,825.84
  5. Step 5: Solve for x
    x = 466,085,456,825.84/672,822.78
  6. Step 6: Final answer
    x = 692,731.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.