Home / 638,362.52-881,020.02-366,515.54

Finding the Fourth Proportional to 638,362.52, 881,020.02 and 366,515.54

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Solution

The fourth proportional to 638,362.52, 881,020.02 and 366,515.54 is: 505,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,362.52 : 881,020.02 = 366,515.54 : x
  2. Step 2: Convert to fraction form
    638,362.52/881,020.02 = 366,515.54/x
  3. Step 3: Cross multiply
    638,362.52x = 881,020.02 × 366,515.54
  4. Step 4: Simplify right side
    638,362.52x = 322,907,528,381.11
  5. Step 5: Solve for x
    x = 322,907,528,381.11/638,362.52
  6. Step 6: Final answer
    x = 505,837.23

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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.