Home / 423,843.08-585,056.91-280,649.24

Finding the Fourth Proportional to 423,843.08, 585,056.91 and 280,649.24

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Solution

The fourth proportional to 423,843.08, 585,056.91 and 280,649.24 is: 387,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,843.08 : 585,056.91 = 280,649.24 : x
  2. Step 2: Convert to fraction form
    423,843.08/585,056.91 = 280,649.24/x
  3. Step 3: Cross multiply
    423,843.08x = 585,056.91 × 280,649.24
  4. Step 4: Simplify right side
    423,843.08x = 164,195,777,148.25
  5. Step 5: Solve for x
    x = 164,195,777,148.25/423,843.08
  6. Step 6: Final answer
    x = 387,397.57

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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.