Home / 801,284.49-1,202,514.79-645,395.13

Finding the Fourth Proportional to 801,284.49, 1,202,514.79 and 645,395.13

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Solution

The fourth proportional to 801,284.49, 1,202,514.79 and 645,395.13 is: 968,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,284.49 : 1,202,514.79 = 645,395.13 : x
  2. Step 2: Convert to fraction form
    801,284.49/1,202,514.79 = 645,395.13/x
  3. Step 3: Cross multiply
    801,284.49x = 1,202,514.79 × 645,395.13
  4. Step 4: Simplify right side
    801,284.49x = 776,097,189,218.97
  5. Step 5: Solve for x
    x = 776,097,189,218.97/801,284.49
  6. Step 6: Final answer
    x = 968,566.34

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1.5x scale

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.