Home / 908,621.70-1,362,920.40-277,538.55

Finding the Fourth Proportional to 908,621.70, 1,362,920.40 and 277,538.55

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Solution

The fourth proportional to 908,621.70, 1,362,920.40 and 277,538.55 is: 416,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,621.70 : 1,362,920.40 = 277,538.55 : x
  2. Step 2: Convert to fraction form
    908,621.70/1,362,920.40 = 277,538.55/x
  3. Step 3: Cross multiply
    908,621.70x = 1,362,920.40 × 277,538.55
  4. Step 4: Simplify right side
    908,621.70x = 378,262,951,581.42
  5. Step 5: Solve for x
    x = 378,262,951,581.42/908,621.70
  6. Step 6: Final answer
    x = 416,304.11

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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.