Home / 1,004.36-1,386.05-562.31

Finding the Fourth Proportional to 1,004.36, 1,386.05 and 562.31

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Solution

The fourth proportional to 1,004.36, 1,386.05 and 562.31 is: 776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.36 : 1,386.05 = 562.31 : x
  2. Step 2: Convert to fraction form
    1,004.36/1,386.05 = 562.31/x
  3. Step 3: Cross multiply
    1,004.36x = 1,386.05 × 562.31
  4. Step 4: Simplify right side
    1,004.36x = 779,389.78
  5. Step 5: Solve for x
    x = 779,389.78/1,004.36
  6. Step 6: Final answer
    x = 776.01

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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.