Home / 955,013.31-1,432,364.23-280,936.93

Finding the Fourth Proportional to 955,013.31, 1,432,364.23 and 280,936.93

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Solution

The fourth proportional to 955,013.31, 1,432,364.23 and 280,936.93 is: 421,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,013.31 : 1,432,364.23 = 280,936.93 : x
  2. Step 2: Convert to fraction form
    955,013.31/1,432,364.23 = 280,936.93/x
  3. Step 3: Cross multiply
    955,013.31x = 1,432,364.23 × 280,936.93
  4. Step 4: Simplify right side
    955,013.31x = 402,404,009,418.01
  5. Step 5: Solve for x
    x = 402,404,009,418.01/955,013.31
  6. Step 6: Final answer
    x = 421,359.58

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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.