Home / 1,036.05-1,429.75-563.95

Finding the Fourth Proportional to 1,036.05, 1,429.75 and 563.95

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Solution

The fourth proportional to 1,036.05, 1,429.75 and 563.95 is: 778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.05 : 1,429.75 = 563.95 : x
  2. Step 2: Convert to fraction form
    1,036.05/1,429.75 = 563.95/x
  3. Step 3: Cross multiply
    1,036.05x = 1,429.75 × 563.95
  4. Step 4: Simplify right side
    1,036.05x = 806,307.51
  5. Step 5: Solve for x
    x = 806,307.51/1,036.05
  6. Step 6: Final answer
    x = 778.26

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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.