Home / 777,099.57-1,165,714.95-216,134.07

Finding the Fourth Proportional to 777,099.57, 1,165,714.95 and 216,134.07

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Solution

The fourth proportional to 777,099.57, 1,165,714.95 and 216,134.07 is: 324,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,099.57 : 1,165,714.95 = 216,134.07 : x
  2. Step 2: Convert to fraction form
    777,099.57/1,165,714.95 = 216,134.07/x
  3. Step 3: Cross multiply
    777,099.57x = 1,165,714.95 × 216,134.07
  4. Step 4: Simplify right side
    777,099.57x = 251,950,716,603.35
  5. Step 5: Solve for x
    x = 251,950,716,603.35/777,099.57
  6. Step 6: Final answer
    x = 324,219.35

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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.