Home / 866,172.69-1,299,483.27-267,120.63

Finding the Fourth Proportional to 866,172.69, 1,299,483.27 and 267,120.63

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Solution

The fourth proportional to 866,172.69, 1,299,483.27 and 267,120.63 is: 400,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,172.69 : 1,299,483.27 = 267,120.63 : x
  2. Step 2: Convert to fraction form
    866,172.69/1,299,483.27 = 267,120.63/x
  3. Step 3: Cross multiply
    866,172.69x = 1,299,483.27 × 267,120.63
  4. Step 4: Simplify right side
    866,172.69x = 347,118,789,756.86
  5. Step 5: Solve for x
    x = 347,118,789,756.86/866,172.69
  6. Step 6: Final answer
    x = 400,750.10

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1.5x scale

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.