Home / 931,716.20-1,285,738.57-523,835.30

Finding the Fourth Proportional to 931,716.20, 1,285,738.57 and 523,835.30

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Solution

The fourth proportional to 931,716.20, 1,285,738.57 and 523,835.30 is: 722,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,716.20 : 1,285,738.57 = 523,835.30 : x
  2. Step 2: Convert to fraction form
    931,716.20/1,285,738.57 = 523,835.30/x
  3. Step 3: Cross multiply
    931,716.20x = 1,285,738.57 × 523,835.30
  4. Step 4: Simplify right side
    931,716.20x = 673,515,249,537.52
  5. Step 5: Solve for x
    x = 673,515,249,537.52/931,716.20
  6. Step 6: Final answer
    x = 722,875.97

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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.