Home / 475,736.88-655,881.78-377,944.59

Finding the Fourth Proportional to 475,736.88, 655,881.78 and 377,944.59

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Solution

The fourth proportional to 475,736.88, 655,881.78 and 377,944.59 is: 521,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,736.88 : 655,881.78 = 377,944.59 : x
  2. Step 2: Convert to fraction form
    475,736.88/655,881.78 = 377,944.59/x
  3. Step 3: Cross multiply
    475,736.88x = 655,881.78 × 377,944.59
  4. Step 4: Simplify right side
    475,736.88x = 247,886,970,430.57
  5. Step 5: Solve for x
    x = 247,886,970,430.57/475,736.88
  6. Step 6: Final answer
    x = 521,058.97

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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.