Home / 1,004.60-1,386.27-585.02

Finding the Fourth Proportional to 1,004.60, 1,386.27 and 585.02

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Solution

The fourth proportional to 1,004.60, 1,386.27 and 585.02 is: 807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.60 : 1,386.27 = 585.02 : x
  2. Step 2: Convert to fraction form
    1,004.60/1,386.27 = 585.02/x
  3. Step 3: Cross multiply
    1,004.60x = 1,386.27 × 585.02
  4. Step 4: Simplify right side
    1,004.60x = 810,995.68
  5. Step 5: Solve for x
    x = 810,995.68/1,004.60
  6. Step 6: Final answer
    x = 807.28

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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.