Home / 866,574.96-1,299,386.16-267,372.72

Finding the Fourth Proportional to 866,574.96, 1,299,386.16 and 267,372.72

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Solution

The fourth proportional to 866,574.96, 1,299,386.16 and 267,372.72 is: 400,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,574.96 : 1,299,386.16 = 267,372.72 : x
  2. Step 2: Convert to fraction form
    866,574.96/1,299,386.16 = 267,372.72/x
  3. Step 3: Cross multiply
    866,574.96x = 1,299,386.16 × 267,372.72
  4. Step 4: Simplify right side
    866,574.96x = 347,420,411,929.56
  5. Step 5: Solve for x
    x = 347,420,411,929.56/866,574.96
  6. Step 6: Final answer
    x = 400,912.13

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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.