Home / 690,980.44-1,037,023.62-358,651.48

Finding the Fourth Proportional to 690,980.44, 1,037,023.62 and 358,651.48

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Solution

The fourth proportional to 690,980.44, 1,037,023.62 and 358,651.48 is: 538,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,980.44 : 1,037,023.62 = 358,651.48 : x
  2. Step 2: Convert to fraction form
    690,980.44/1,037,023.62 = 358,651.48/x
  3. Step 3: Cross multiply
    690,980.44x = 1,037,023.62 × 358,651.48
  4. Step 4: Simplify right side
    690,980.44x = 371,930,056,107.96
  5. Step 5: Solve for x
    x = 371,930,056,107.96/690,980.44
  6. Step 6: Final answer
    x = 538,264.23

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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.