Home / 768,456.12-1,152,739.88-295,141.48

Finding the Fourth Proportional to 768,456.12, 1,152,739.88 and 295,141.48

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Solution

The fourth proportional to 768,456.12, 1,152,739.88 and 295,141.48 is: 442,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,456.12 : 1,152,739.88 = 295,141.48 : x
  2. Step 2: Convert to fraction form
    768,456.12/1,152,739.88 = 295,141.48/x
  3. Step 3: Cross multiply
    768,456.12x = 1,152,739.88 × 295,141.48
  4. Step 4: Simplify right side
    768,456.12x = 340,221,352,094.23
  5. Step 5: Solve for x
    x = 340,221,352,094.23/768,456.12
  6. Step 6: Final answer
    x = 442,733.61

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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.