Home / 807,480.17-1,211,407.83-275,005.74

Finding the Fourth Proportional to 807,480.17, 1,211,407.83 and 275,005.74

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Solution

The fourth proportional to 807,480.17, 1,211,407.83 and 275,005.74 is: 412,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,480.17 : 1,211,407.83 = 275,005.74 : x
  2. Step 2: Convert to fraction form
    807,480.17/1,211,407.83 = 275,005.74/x
  3. Step 3: Cross multiply
    807,480.17x = 1,211,407.83 × 275,005.74
  4. Step 4: Simplify right side
    807,480.17x = 333,144,106,730.94
  5. Step 5: Solve for x
    x = 333,144,106,730.94/807,480.17
  6. Step 6: Final answer
    x = 412,572.50

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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.