Home / 828,118.63-1,242,033.86-267,153.13

Finding the Fourth Proportional to 828,118.63, 1,242,033.86 and 267,153.13

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Solution

The fourth proportional to 828,118.63, 1,242,033.86 and 267,153.13 is: 400,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,118.63 : 1,242,033.86 = 267,153.13 : x
  2. Step 2: Convert to fraction form
    828,118.63/1,242,033.86 = 267,153.13/x
  3. Step 3: Cross multiply
    828,118.63x = 1,242,033.86 × 267,153.13
  4. Step 4: Simplify right side
    828,118.63x = 331,813,233,264.98
  5. Step 5: Solve for x
    x = 331,813,233,264.98/828,118.63
  6. Step 6: Final answer
    x = 400,683.21

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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.