Home / 801,282.42-1,202,511.69-645,393.06

Finding the Fourth Proportional to 801,282.42, 1,202,511.69 and 645,393.06

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Solution

The fourth proportional to 801,282.42, 1,202,511.69 and 645,393.06 is: 968,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,282.42 : 1,202,511.69 = 645,393.06 : x
  2. Step 2: Convert to fraction form
    801,282.42/1,202,511.69 = 645,393.06/x
  3. Step 3: Cross multiply
    801,282.42x = 1,202,511.69 × 645,393.06
  4. Step 4: Simplify right side
    801,282.42x = 776,092,699,294.87
  5. Step 5: Solve for x
    x = 776,092,699,294.87/801,282.42
  6. Step 6: Final answer
    x = 968,563.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.