Home / 852,202.49-1,277,970.21-319,432.95

Finding the Fourth Proportional to 852,202.49, 1,277,970.21 and 319,432.95

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Solution

The fourth proportional to 852,202.49, 1,277,970.21 and 319,432.95 is: 479,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,202.49 : 1,277,970.21 = 319,432.95 : x
  2. Step 2: Convert to fraction form
    852,202.49/1,277,970.21 = 319,432.95/x
  3. Step 3: Cross multiply
    852,202.49x = 1,277,970.21 × 319,432.95
  4. Step 4: Simplify right side
    852,202.49x = 408,225,794,192.42
  5. Step 5: Solve for x
    x = 408,225,794,192.42/852,202.49
  6. Step 6: Final answer
    x = 479,024.41

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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.