Home / 777,095.75-1,165,709.64-216,130.25

Finding the Fourth Proportional to 777,095.75, 1,165,709.64 and 216,130.25

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Solution

The fourth proportional to 777,095.75, 1,165,709.64 and 216,130.25 is: 324,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,095.75 : 1,165,709.64 = 216,130.25 : x
  2. Step 2: Convert to fraction form
    777,095.75/1,165,709.64 = 216,130.25/x
  3. Step 3: Cross multiply
    777,095.75x = 1,165,709.64 × 216,130.25
  4. Step 4: Simplify right side
    777,095.75x = 251,945,115,920.61
  5. Step 5: Solve for x
    x = 251,945,115,920.61/777,095.75
  6. Step 6: Final answer
    x = 324,213.74

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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.