Home / 806,594.06-1,210,145.38-380,112.66

Finding the Fourth Proportional to 806,594.06, 1,210,145.38 and 380,112.66

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Solution

The fourth proportional to 806,594.06, 1,210,145.38 and 380,112.66 is: 570,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,594.06 : 1,210,145.38 = 380,112.66 : x
  2. Step 2: Convert to fraction form
    806,594.06/1,210,145.38 = 380,112.66/x
  3. Step 3: Cross multiply
    806,594.06x = 1,210,145.38 × 380,112.66
  4. Step 4: Simplify right side
    806,594.06x = 459,991,578,428.23
  5. Step 5: Solve for x
    x = 459,991,578,428.23/806,594.06
  6. Step 6: Final answer
    x = 570,288.82

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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.