Home / 792,631.83-1,189,079.78-260,009.85

Finding the Fourth Proportional to 792,631.83, 1,189,079.78 and 260,009.85

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Solution

The fourth proportional to 792,631.83, 1,189,079.78 and 260,009.85 is: 390,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,631.83 : 1,189,079.78 = 260,009.85 : x
  2. Step 2: Convert to fraction form
    792,631.83/1,189,079.78 = 260,009.85/x
  3. Step 3: Cross multiply
    792,631.83x = 1,189,079.78 × 260,009.85
  4. Step 4: Simplify right side
    792,631.83x = 309,172,453,935.78
  5. Step 5: Solve for x
    x = 309,172,453,935.78/792,631.83
  6. Step 6: Final answer
    x = 390,058.09

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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.