Home / 477,259.86-658,579.41-280,995.14

Finding the Fourth Proportional to 477,259.86, 658,579.41 and 280,995.14

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Solution

The fourth proportional to 477,259.86, 658,579.41 and 280,995.14 is: 387,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,259.86 : 658,579.41 = 280,995.14 : x
  2. Step 2: Convert to fraction form
    477,259.86/658,579.41 = 280,995.14/x
  3. Step 3: Cross multiply
    477,259.86x = 658,579.41 × 280,995.14
  4. Step 4: Simplify right side
    477,259.86x = 185,057,613,514.07
  5. Step 5: Solve for x
    x = 185,057,613,514.07/477,259.86
  6. Step 6: Final answer
    x = 387,750.22

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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.