Home / 778,189.30-1,167,809.19-304,815.94

Finding the Fourth Proportional to 778,189.30, 1,167,809.19 and 304,815.94

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Solution

The fourth proportional to 778,189.30, 1,167,809.19 and 304,815.94 is: 457,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,189.30 : 1,167,809.19 = 304,815.94 : x
  2. Step 2: Convert to fraction form
    778,189.30/1,167,809.19 = 304,815.94/x
  3. Step 3: Cross multiply
    778,189.30x = 1,167,809.19 × 304,815.94
  4. Step 4: Simplify right side
    778,189.30x = 355,966,855,990.49
  5. Step 5: Solve for x
    x = 355,966,855,990.49/778,189.30
  6. Step 6: Final answer
    x = 457,429.65

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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.