Home / 676,860.96-1,015,148.88-203,406.24

Finding the Fourth Proportional to 676,860.96, 1,015,148.88 and 203,406.24

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Solution

The fourth proportional to 676,860.96, 1,015,148.88 and 203,406.24 is: 305,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,860.96 : 1,015,148.88 = 203,406.24 : x
  2. Step 2: Convert to fraction form
    676,860.96/1,015,148.88 = 203,406.24/x
  3. Step 3: Cross multiply
    676,860.96x = 1,015,148.88 × 203,406.24
  4. Step 4: Simplify right side
    676,860.96x = 206,487,616,721.01
  5. Step 5: Solve for x
    x = 206,487,616,721.01/676,860.96
  6. Step 6: Final answer
    x = 305,066.52

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1.5x scale

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.