Home / 808,992.15-1,116,631.22-469,569.75

Finding the Fourth Proportional to 808,992.15, 1,116,631.22 and 469,569.75

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Solution

The fourth proportional to 808,992.15, 1,116,631.22 and 469,569.75 is: 648,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,992.15 : 1,116,631.22 = 469,569.75 : x
  2. Step 2: Convert to fraction form
    808,992.15/1,116,631.22 = 469,569.75/x
  3. Step 3: Cross multiply
    808,992.15x = 1,116,631.22 × 469,569.75
  4. Step 4: Simplify right side
    808,992.15x = 524,336,240,469.75
  5. Step 5: Solve for x
    x = 524,336,240,469.75/808,992.15
  6. Step 6: Final answer
    x = 648,135.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.