Home / 952,138.46-1,427,261.61-477,374.78

Finding the Fourth Proportional to 952,138.46, 1,427,261.61 and 477,374.78

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Solution

The fourth proportional to 952,138.46, 1,427,261.61 and 477,374.78 is: 715,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,138.46 : 1,427,261.61 = 477,374.78 : x
  2. Step 2: Convert to fraction form
    952,138.46/1,427,261.61 = 477,374.78/x
  3. Step 3: Cross multiply
    952,138.46x = 1,427,261.61 × 477,374.78
  4. Step 4: Simplify right side
    952,138.46x = 681,338,702,434.51
  5. Step 5: Solve for x
    x = 681,338,702,434.51/952,138.46
  6. Step 6: Final answer
    x = 715,587.84

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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.