Home / 938,711.31-1,408,165.38-264,787.26

Finding the Fourth Proportional to 938,711.31, 1,408,165.38 and 264,787.26

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Solution

The fourth proportional to 938,711.31, 1,408,165.38 and 264,787.26 is: 397,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,711.31 : 1,408,165.38 = 264,787.26 : x
  2. Step 2: Convert to fraction form
    938,711.31/1,408,165.38 = 264,787.26/x
  3. Step 3: Cross multiply
    938,711.31x = 1,408,165.38 × 264,787.26
  4. Step 4: Simplify right side
    938,711.31x = 372,864,252,597.06
  5. Step 5: Solve for x
    x = 372,864,252,597.06/938,711.31
  6. Step 6: Final answer
    x = 397,208.65

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1.5x scale

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.