Home / 808,109.10-1,212,163.65-739,874.70

Finding the Fourth Proportional to 808,109.10, 1,212,163.65 and 739,874.70

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Solution

The fourth proportional to 808,109.10, 1,212,163.65 and 739,874.70 is: 1,109,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,109.10 : 1,212,163.65 = 739,874.70 : x
  2. Step 2: Convert to fraction form
    808,109.10/1,212,163.65 = 739,874.70/x
  3. Step 3: Cross multiply
    808,109.10x = 1,212,163.65 × 739,874.70
  4. Step 4: Simplify right side
    808,109.10x = 896,849,216,894.66
  5. Step 5: Solve for x
    x = 896,849,216,894.66/808,109.10
  6. Step 6: Final answer
    x = 1,109,812.05

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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.