Home / 789,828.88-1,088,830.20-563,080.72

Finding the Fourth Proportional to 789,828.88, 1,088,830.20 and 563,080.72

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Solution

The fourth proportional to 789,828.88, 1,088,830.20 and 563,080.72 is: 776,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,828.88 : 1,088,830.20 = 563,080.72 : x
  2. Step 2: Convert to fraction form
    789,828.88/1,088,830.20 = 563,080.72/x
  3. Step 3: Cross multiply
    789,828.88x = 1,088,830.20 × 563,080.72
  4. Step 4: Simplify right side
    789,828.88x = 613,099,292,973.74
  5. Step 5: Solve for x
    x = 613,099,292,973.74/789,828.88
  6. Step 6: Final answer
    x = 776,243.19

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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.