Home / 862,559.28-1,190,339.85-475,388.51

Finding the Fourth Proportional to 862,559.28, 1,190,339.85 and 475,388.51

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Solution

The fourth proportional to 862,559.28, 1,190,339.85 and 475,388.51 is: 656,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,559.28 : 1,190,339.85 = 475,388.51 : x
  2. Step 2: Convert to fraction form
    862,559.28/1,190,339.85 = 475,388.51/x
  3. Step 3: Cross multiply
    862,559.28x = 1,190,339.85 × 475,388.51
  4. Step 4: Simplify right side
    862,559.28x = 565,873,881,733.42
  5. Step 5: Solve for x
    x = 565,873,881,733.42/862,559.28
  6. Step 6: Final answer
    x = 656,040.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.