Home / 1,000.17-1,380.24-607.11

Finding the Fourth Proportional to 1,000.17, 1,380.24 and 607.11

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Solution

The fourth proportional to 1,000.17, 1,380.24 and 607.11 is: 837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000.17 : 1,380.24 = 607.11 : x
  2. Step 2: Convert to fraction form
    1,000.17/1,380.24 = 607.11/x
  3. Step 3: Cross multiply
    1,000.17x = 1,380.24 × 607.11
  4. Step 4: Simplify right side
    1,000.17x = 837,957.51
  5. Step 5: Solve for x
    x = 837,957.51/1,000.17
  6. Step 6: Final answer
    x = 837.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.