Home / 773,838.24-1,160,702.32-205,206.72

Finding the Fourth Proportional to 773,838.24, 1,160,702.32 and 205,206.72

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Solution

The fourth proportional to 773,838.24, 1,160,702.32 and 205,206.72 is: 307,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,838.24 : 1,160,702.32 = 205,206.72 : x
  2. Step 2: Convert to fraction form
    773,838.24/1,160,702.32 = 205,206.72/x
  3. Step 3: Cross multiply
    773,838.24x = 1,160,702.32 × 205,206.72
  4. Step 4: Simplify right side
    773,838.24x = 238,183,915,983.59
  5. Step 5: Solve for x
    x = 238,183,915,983.59/773,838.24
  6. Step 6: Final answer
    x = 307,795.48

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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.