Home / 808,714.35-1,212,863.85-239,960.93

Finding the Fourth Proportional to 808,714.35, 1,212,863.85 and 239,960.93

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Solution

The fourth proportional to 808,714.35, 1,212,863.85 and 239,960.93 is: 359,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,714.35 : 1,212,863.85 = 239,960.93 : x
  2. Step 2: Convert to fraction form
    808,714.35/1,212,863.85 = 239,960.93/x
  3. Step 3: Cross multiply
    808,714.35x = 1,212,863.85 × 239,960.93
  4. Step 4: Simplify right side
    808,714.35x = 291,039,931,345.06
  5. Step 5: Solve for x
    x = 291,039,931,345.06/808,714.35
  6. Step 6: Final answer
    x = 359,879.77

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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.