Home / 890,839.87-1,229,069.79-503,617.75

Finding the Fourth Proportional to 890,839.87, 1,229,069.79 and 503,617.75

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Solution

The fourth proportional to 890,839.87, 1,229,069.79 and 503,617.75 is: 694,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,839.87 : 1,229,069.79 = 503,617.75 : x
  2. Step 2: Convert to fraction form
    890,839.87/1,229,069.79 = 503,617.75/x
  3. Step 3: Cross multiply
    890,839.87x = 1,229,069.79 × 503,617.75
  4. Step 4: Simplify right side
    890,839.87x = 618,981,362,232.77
  5. Step 5: Solve for x
    x = 618,981,362,232.77/890,839.87
  6. Step 6: Final answer
    x = 694,828.98

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1.5x scale

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.