Home / 876,847.26-1,314,493.29-427,316.70

Finding the Fourth Proportional to 876,847.26, 1,314,493.29 and 427,316.70

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Solution

The fourth proportional to 876,847.26, 1,314,493.29 and 427,316.70 is: 640,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,847.26 : 1,314,493.29 = 427,316.70 : x
  2. Step 2: Convert to fraction form
    876,847.26/1,314,493.29 = 427,316.70/x
  3. Step 3: Cross multiply
    876,847.26x = 1,314,493.29 × 427,316.70
  4. Step 4: Simplify right side
    876,847.26x = 561,704,934,854.94
  5. Step 5: Solve for x
    x = 561,704,934,854.94/876,847.26
  6. Step 6: Final answer
    x = 640,596.10

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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.