Home / 880,470.91-1,320,641.82-281,271.18

Finding the Fourth Proportional to 880,470.91, 1,320,641.82 and 281,271.18

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Solution

The fourth proportional to 880,470.91, 1,320,641.82 and 281,271.18 is: 421,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,470.91 : 1,320,641.82 = 281,271.18 : x
  2. Step 2: Convert to fraction form
    880,470.91/1,320,641.82 = 281,271.18/x
  3. Step 3: Cross multiply
    880,470.91x = 1,320,641.82 × 281,271.18
  4. Step 4: Simplify right side
    880,470.91x = 371,458,488,021.16
  5. Step 5: Solve for x
    x = 371,458,488,021.16/880,470.91
  6. Step 6: Final answer
    x = 421,886.16

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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.