Home / 808,714.48-1,211,873.65-328,358.16

Finding the Fourth Proportional to 808,714.48, 1,211,873.65 and 328,358.16

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Solution

The fourth proportional to 808,714.48, 1,211,873.65 and 328,358.16 is: 492,050.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,714.48 : 1,211,873.65 = 328,358.16 : x
  2. Step 2: Convert to fraction form
    808,714.48/1,211,873.65 = 328,358.16/x
  3. Step 3: Cross multiply
    808,714.48x = 1,211,873.65 × 328,358.16
  4. Step 4: Simplify right side
    808,714.48x = 397,928,601,866.48
  5. Step 5: Solve for x
    x = 397,928,601,866.48/808,714.48
  6. Step 6: Final answer
    x = 492,050.79

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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.