Home / 789,884.88-1,088,907.36-563,136.72

Finding the Fourth Proportional to 789,884.88, 1,088,907.36 and 563,136.72

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Solution

The fourth proportional to 789,884.88, 1,088,907.36 and 563,136.72 is: 776,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,884.88 : 1,088,907.36 = 563,136.72 : x
  2. Step 2: Convert to fraction form
    789,884.88/1,088,907.36 = 563,136.72/x
  3. Step 3: Cross multiply
    789,884.88x = 1,088,907.36 × 563,136.72
  4. Step 4: Simplify right side
    789,884.88x = 613,203,719,094.26
  5. Step 5: Solve for x
    x = 613,203,719,094.26/789,884.88
  6. Step 6: Final answer
    x = 776,320.37

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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.