Home / 741,745.10-1,112,326.50-261,870.50

Finding the Fourth Proportional to 741,745.10, 1,112,326.50 and 261,870.50

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Solution

The fourth proportional to 741,745.10, 1,112,326.50 and 261,870.50 is: 392,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,745.10 : 1,112,326.50 = 261,870.50 : x
  2. Step 2: Convert to fraction form
    741,745.10/1,112,326.50 = 261,870.50/x
  3. Step 3: Cross multiply
    741,745.10x = 1,112,326.50 × 261,870.50
  4. Step 4: Simplify right side
    741,745.10x = 291,285,496,718.25
  5. Step 5: Solve for x
    x = 291,285,496,718.25/741,745.10
  6. Step 6: Final answer
    x = 392,702.96

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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.