Home / 1,004.12-1,385.67-562.01

Finding the Fourth Proportional to 1,004.12, 1,385.67 and 562.01

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Solution

The fourth proportional to 1,004.12, 1,385.67 and 562.01 is: 775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.12 : 1,385.67 = 562.01 : x
  2. Step 2: Convert to fraction form
    1,004.12/1,385.67 = 562.01/x
  3. Step 3: Cross multiply
    1,004.12x = 1,385.67 × 562.01
  4. Step 4: Simplify right side
    1,004.12x = 778,753.47
  5. Step 5: Solve for x
    x = 778,753.47/1,004.12
  6. Step 6: Final answer
    x = 775.56

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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.