Home / 1,004.85-1,386.66-585.27

Finding the Fourth Proportional to 1,004.85, 1,386.66 and 585.27

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Solution

The fourth proportional to 1,004.85, 1,386.66 and 585.27 is: 807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.85 : 1,386.66 = 585.27 : x
  2. Step 2: Convert to fraction form
    1,004.85/1,386.66 = 585.27/x
  3. Step 3: Cross multiply
    1,004.85x = 1,386.66 × 585.27
  4. Step 4: Simplify right side
    1,004.85x = 811,570.50
  5. Step 5: Solve for x
    x = 811,570.50/1,004.85
  6. Step 6: Final answer
    x = 807.65

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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.