Home / 807,364.14-1,210,625.76-380,785.44

Finding the Fourth Proportional to 807,364.14, 1,210,625.76 and 380,785.44

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Solution

The fourth proportional to 807,364.14, 1,210,625.76 and 380,785.44 is: 570,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,364.14 : 1,210,625.76 = 380,785.44 : x
  2. Step 2: Convert to fraction form
    807,364.14/1,210,625.76 = 380,785.44/x
  3. Step 3: Cross multiply
    807,364.14x = 1,210,625.76 × 380,785.44
  4. Step 4: Simplify right side
    807,364.14x = 460,988,662,696.93
  5. Step 5: Solve for x
    x = 460,988,662,696.93/807,364.14
  6. Step 6: Final answer
    x = 570,979.86

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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.