Home / 887,639.76-1,224,964.44-538,784.16

Finding the Fourth Proportional to 887,639.76, 1,224,964.44 and 538,784.16

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Solution

The fourth proportional to 887,639.76, 1,224,964.44 and 538,784.16 is: 743,535.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,639.76 : 1,224,964.44 = 538,784.16 : x
  2. Step 2: Convert to fraction form
    887,639.76/1,224,964.44 = 538,784.16/x
  3. Step 3: Cross multiply
    887,639.76x = 1,224,964.44 × 538,784.16
  4. Step 4: Simplify right side
    887,639.76x = 659,991,436,835.27
  5. Step 5: Solve for x
    x = 659,991,436,835.27/887,639.76
  6. Step 6: Final answer
    x = 743,535.23

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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.