Home / 767,345.91-1,150,702.16-261,947.63

Finding the Fourth Proportional to 767,345.91, 1,150,702.16 and 261,947.63

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Solution

The fourth proportional to 767,345.91, 1,150,702.16 and 261,947.63 is: 392,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,345.91 : 1,150,702.16 = 261,947.63 : x
  2. Step 2: Convert to fraction form
    767,345.91/1,150,702.16 = 261,947.63/x
  3. Step 3: Cross multiply
    767,345.91x = 1,150,702.16 × 261,947.63
  4. Step 4: Simplify right side
    767,345.91x = 301,423,696,584.63
  5. Step 5: Solve for x
    x = 301,423,696,584.63/767,345.91
  6. Step 6: Final answer
    x = 392,813.32

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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.