Home / 852,246.96-1,278,328.92-319,726.50

Finding the Fourth Proportional to 852,246.96, 1,278,328.92 and 319,726.50

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Solution

The fourth proportional to 852,246.96, 1,278,328.92 and 319,726.50 is: 479,574.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,246.96 : 1,278,328.92 = 319,726.50 : x
  2. Step 2: Convert to fraction form
    852,246.96/1,278,328.92 = 319,726.50/x
  3. Step 3: Cross multiply
    852,246.96x = 1,278,328.92 × 319,726.50
  4. Step 4: Simplify right side
    852,246.96x = 408,715,631,440.38
  5. Step 5: Solve for x
    x = 408,715,631,440.38/852,246.96
  6. Step 6: Final answer
    x = 479,574.17

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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.