Home / 808,990.65-1,116,629.15-469,568.25

Finding the Fourth Proportional to 808,990.65, 1,116,629.15 and 469,568.25

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Solution

The fourth proportional to 808,990.65, 1,116,629.15 and 469,568.25 is: 648,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,990.65 : 1,116,629.15 = 469,568.25 : x
  2. Step 2: Convert to fraction form
    808,990.65/1,116,629.15 = 469,568.25/x
  3. Step 3: Cross multiply
    808,990.65x = 1,116,629.15 × 469,568.25
  4. Step 4: Simplify right side
    808,990.65x = 524,333,593,516.65
  5. Step 5: Solve for x
    x = 524,333,593,516.65/808,990.65
  6. Step 6: Final answer
    x = 648,133.07

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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.