Home / 855,816.48-1,283,993.12-514,652.64

Finding the Fourth Proportional to 855,816.48, 1,283,993.12 and 514,652.64

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Solution

The fourth proportional to 855,816.48, 1,283,993.12 and 514,652.64 is: 772,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,816.48 : 1,283,993.12 = 514,652.64 : x
  2. Step 2: Convert to fraction form
    855,816.48/1,283,993.12 = 514,652.64/x
  3. Step 3: Cross multiply
    855,816.48x = 1,283,993.12 × 514,652.64
  4. Step 4: Simplify right side
    855,816.48x = 660,810,448,949.84
  5. Step 5: Solve for x
    x = 660,810,448,949.84/855,816.48
  6. Step 6: Final answer
    x = 772,140.36

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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.