Home / 724,274.40-1,086,800.40-303,592.80

Finding the Fourth Proportional to 724,274.40, 1,086,800.40 and 303,592.80

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Solution

The fourth proportional to 724,274.40, 1,086,800.40 and 303,592.80 is: 455,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,274.40 : 1,086,800.40 = 303,592.80 : x
  2. Step 2: Convert to fraction form
    724,274.40/1,086,800.40 = 303,592.80/x
  3. Step 3: Cross multiply
    724,274.40x = 1,086,800.40 × 303,592.80
  4. Step 4: Simplify right side
    724,274.40x = 329,944,776,477.12
  5. Step 5: Solve for x
    x = 329,944,776,477.12/724,274.40
  6. Step 6: Final answer
    x = 455,552.17

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Similar ratio
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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.