Home / 423,625.66-635,584.32-265,669.18

Finding the Fourth Proportional to 423,625.66, 635,584.32 and 265,669.18

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Solution

The fourth proportional to 423,625.66, 635,584.32 and 265,669.18 is: 398,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,625.66 : 635,584.32 = 265,669.18 : x
  2. Step 2: Convert to fraction form
    423,625.66/635,584.32 = 265,669.18/x
  3. Step 3: Cross multiply
    423,625.66x = 635,584.32 × 265,669.18
  4. Step 4: Simplify right side
    423,625.66x = 168,855,165,115.26
  5. Step 5: Solve for x
    x = 168,855,165,115.26/423,625.66
  6. Step 6: Final answer
    x = 398,595.22

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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.