Home / 866,817.40-1,299,707.70-446,913.40

Finding the Fourth Proportional to 866,817.40, 1,299,707.70 and 446,913.40

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Solution

The fourth proportional to 866,817.40, 1,299,707.70 and 446,913.40 is: 670,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,817.40 : 1,299,707.70 = 446,913.40 : x
  2. Step 2: Convert to fraction form
    866,817.40/1,299,707.70 = 446,913.40/x
  3. Step 3: Cross multiply
    866,817.40x = 1,299,707.70 × 446,913.40
  4. Step 4: Simplify right side
    866,817.40x = 580,856,787,213.18
  5. Step 5: Solve for x
    x = 580,856,787,213.18/866,817.40
  6. Step 6: Final answer
    x = 670,102.82

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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.