Home / 1,036.23-1,429.95-616.57

Finding the Fourth Proportional to 1,036.23, 1,429.95 and 616.57

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Solution

The fourth proportional to 1,036.23, 1,429.95 and 616.57 is: 850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.23 : 1,429.95 = 616.57 : x
  2. Step 2: Convert to fraction form
    1,036.23/1,429.95 = 616.57/x
  3. Step 3: Cross multiply
    1,036.23x = 1,429.95 × 616.57
  4. Step 4: Simplify right side
    1,036.23x = 881,669.16
  5. Step 5: Solve for x
    x = 881,669.16/1,036.23
  6. Step 6: Final answer
    x = 850.84

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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.