Home / 770,496.35-1,155,711.29-201,864.92

Finding the Fourth Proportional to 770,496.35, 1,155,711.29 and 201,864.92

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Solution

The fourth proportional to 770,496.35, 1,155,711.29 and 201,864.92 is: 302,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,496.35 : 1,155,711.29 = 201,864.92 : x
  2. Step 2: Convert to fraction form
    770,496.35/1,155,711.29 = 201,864.92/x
  3. Step 3: Cross multiply
    770,496.35x = 1,155,711.29 × 201,864.92
  4. Step 4: Simplify right side
    770,496.35x = 233,297,560,311.07
  5. Step 5: Solve for x
    x = 233,297,560,311.07/770,496.35
  6. Step 6: Final answer
    x = 302,788.67

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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.