Home / 724,433.06-1,086,206.34-345,469.70

Finding the Fourth Proportional to 724,433.06, 1,086,206.34 and 345,469.70

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Solution

The fourth proportional to 724,433.06, 1,086,206.34 and 345,469.70 is: 517,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,433.06 : 1,086,206.34 = 345,469.70 : x
  2. Step 2: Convert to fraction form
    724,433.06/1,086,206.34 = 345,469.70/x
  3. Step 3: Cross multiply
    724,433.06x = 1,086,206.34 × 345,469.70
  4. Step 4: Simplify right side
    724,433.06x = 375,251,378,417.90
  5. Step 5: Solve for x
    x = 375,251,378,417.90/724,433.06
  6. Step 6: Final answer
    x = 517,993.17

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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.