Home / 724,623.84-1,086,521.04-303,544.80

Finding the Fourth Proportional to 724,623.84, 1,086,521.04 and 303,544.80

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Solution

The fourth proportional to 724,623.84, 1,086,521.04 and 303,544.80 is: 455,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,623.84 : 1,086,521.04 = 303,544.80 : x
  2. Step 2: Convert to fraction form
    724,623.84/1,086,521.04 = 303,544.80/x
  3. Step 3: Cross multiply
    724,623.84x = 1,086,521.04 × 303,544.80
  4. Step 4: Simplify right side
    724,623.84x = 329,807,811,782.59
  5. Step 5: Solve for x
    x = 329,807,811,782.59/724,623.84
  6. Step 6: Final answer
    x = 455,143.47

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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.