Home / 866,823.40-1,299,716.70-446,919.40

Finding the Fourth Proportional to 866,823.40, 1,299,716.70 and 446,919.40

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Solution

The fourth proportional to 866,823.40, 1,299,716.70 and 446,919.40 is: 670,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,823.40 : 1,299,716.70 = 446,919.40 : x
  2. Step 2: Convert to fraction form
    866,823.40/1,299,716.70 = 446,919.40/x
  3. Step 3: Cross multiply
    866,823.40x = 1,299,716.70 × 446,919.40
  4. Step 4: Simplify right side
    866,823.40x = 580,868,607,733.98
  5. Step 5: Solve for x
    x = 580,868,607,733.98/866,823.40
  6. Step 6: Final answer
    x = 670,111.82

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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.