Home / 634,115.07-875,076.93-347,635.37

Finding the Fourth Proportional to 634,115.07, 875,076.93 and 347,635.37

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Solution

The fourth proportional to 634,115.07, 875,076.93 and 347,635.37 is: 479,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,115.07 : 875,076.93 = 347,635.37 : x
  2. Step 2: Convert to fraction form
    634,115.07/875,076.93 = 347,635.37/x
  3. Step 3: Cross multiply
    634,115.07x = 875,076.93 × 347,635.37
  4. Step 4: Simplify right side
    634,115.07x = 304,207,687,963.63
  5. Step 5: Solve for x
    x = 304,207,687,963.63/634,115.07
  6. Step 6: Final answer
    x = 479,735.78

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1.5x scale

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.