Home / 862,919.53-1,190,836.65-475,748.71

Finding the Fourth Proportional to 862,919.53, 1,190,836.65 and 475,748.71

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Solution

The fourth proportional to 862,919.53, 1,190,836.65 and 475,748.71 is: 656,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,919.53 : 1,190,836.65 = 475,748.71 : x
  2. Step 2: Convert to fraction form
    862,919.53/1,190,836.65 = 475,748.71/x
  3. Step 3: Cross multiply
    862,919.53x = 1,190,836.65 × 475,748.71
  4. Step 4: Simplify right side
    862,919.53x = 566,538,998,865.19
  5. Step 5: Solve for x
    x = 566,538,998,865.19/862,919.53
  6. Step 6: Final answer
    x = 656,537.46

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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.