Home / 873,825.85-1,310,785.47-274,833.70

Finding the Fourth Proportional to 873,825.85, 1,310,785.47 and 274,833.70

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Solution

The fourth proportional to 873,825.85, 1,310,785.47 and 274,833.70 is: 412,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,825.85 : 1,310,785.47 = 274,833.70 : x
  2. Step 2: Convert to fraction form
    873,825.85/1,310,785.47 = 274,833.70/x
  3. Step 3: Cross multiply
    873,825.85x = 1,310,785.47 × 274,833.70
  4. Step 4: Simplify right side
    873,825.85x = 360,248,020,626.34
  5. Step 5: Solve for x
    x = 360,248,020,626.34/873,825.85
  6. Step 6: Final answer
    x = 412,265.24

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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.