Home / 755,264.72-1,042,143.36-432,915.50

Finding the Fourth Proportional to 755,264.72, 1,042,143.36 and 432,915.50

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Solution

The fourth proportional to 755,264.72, 1,042,143.36 and 432,915.50 is: 597,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,264.72 : 1,042,143.36 = 432,915.50 : x
  2. Step 2: Convert to fraction form
    755,264.72/1,042,143.36 = 432,915.50/x
  3. Step 3: Cross multiply
    755,264.72x = 1,042,143.36 × 432,915.50
  4. Step 4: Simplify right side
    755,264.72x = 451,160,013,766.08
  5. Step 5: Solve for x
    x = 451,160,013,766.08/755,264.72
  6. Step 6: Final answer
    x = 597,353.49

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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.