Home / 767,346.10-1,150,702.43-261,947.81

Finding the Fourth Proportional to 767,346.10, 1,150,702.43 and 261,947.81

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Solution

The fourth proportional to 767,346.10, 1,150,702.43 and 261,947.81 is: 392,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,346.10 : 1,150,702.43 = 261,947.81 : x
  2. Step 2: Convert to fraction form
    767,346.10/1,150,702.43 = 261,947.81/x
  3. Step 3: Cross multiply
    767,346.10x = 1,150,702.43 × 261,947.81
  4. Step 4: Simplify right side
    767,346.10x = 301,423,983,067.20
  5. Step 5: Solve for x
    x = 301,423,983,067.20/767,346.10
  6. Step 6: Final answer
    x = 392,813.60

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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.