Home / 724,592.40-1,087,277.40-303,910.80

Finding the Fourth Proportional to 724,592.40, 1,087,277.40 and 303,910.80

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Solution

The fourth proportional to 724,592.40, 1,087,277.40 and 303,910.80 is: 456,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,592.40 : 1,087,277.40 = 303,910.80 : x
  2. Step 2: Convert to fraction form
    724,592.40/1,087,277.40 = 303,910.80/x
  3. Step 3: Cross multiply
    724,592.40x = 1,087,277.40 × 303,910.80
  4. Step 4: Simplify right side
    724,592.40x = 330,435,344,455.92
  5. Step 5: Solve for x
    x = 330,435,344,455.92/724,592.40
  6. Step 6: Final answer
    x = 456,029.27

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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.