Home / 772,845.30-1,159,046.41-260,454.65

Finding the Fourth Proportional to 772,845.30, 1,159,046.41 and 260,454.65

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Solution

The fourth proportional to 772,845.30, 1,159,046.41 and 260,454.65 is: 390,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,845.30 : 1,159,046.41 = 260,454.65 : x
  2. Step 2: Convert to fraction form
    772,845.30/1,159,046.41 = 260,454.65/x
  3. Step 3: Cross multiply
    772,845.30x = 1,159,046.41 × 260,454.65
  4. Step 4: Simplify right side
    772,845.30x = 301,879,027,050.31
  5. Step 5: Solve for x
    x = 301,879,027,050.31/772,845.30
  6. Step 6: Final answer
    x = 390,607.31

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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.