Home / 815,947.16-1,224,142.22-247,346.83

Finding the Fourth Proportional to 815,947.16, 1,224,142.22 and 247,346.83

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Solution

The fourth proportional to 815,947.16, 1,224,142.22 and 247,346.83 is: 371,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,947.16 : 1,224,142.22 = 247,346.83 : x
  2. Step 2: Convert to fraction form
    815,947.16/1,224,142.22 = 247,346.83/x
  3. Step 3: Cross multiply
    815,947.16x = 1,224,142.22 × 247,346.83
  4. Step 4: Simplify right side
    815,947.16x = 302,787,697,586.16
  5. Step 5: Solve for x
    x = 302,787,697,586.16/815,947.16
  6. Step 6: Final answer
    x = 371,087.38

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Double scale
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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.