Home / 971,949.71-1,457,758.43-261,811.67

Finding the Fourth Proportional to 971,949.71, 1,457,758.43 and 261,811.67

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Solution

The fourth proportional to 971,949.71, 1,457,758.43 and 261,811.67 is: 392,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,949.71 : 1,457,758.43 = 261,811.67 : x
  2. Step 2: Convert to fraction form
    971,949.71/1,457,758.43 = 261,811.67/x
  3. Step 3: Cross multiply
    971,949.71x = 1,457,758.43 × 261,811.67
  4. Step 4: Simplify right side
    971,949.71x = 381,658,160,417.03
  5. Step 5: Solve for x
    x = 381,658,160,417.03/971,949.71
  6. Step 6: Final answer
    x = 392,672.75

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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.