Home / 789,834.88-1,088,838.48-563,086.72

Finding the Fourth Proportional to 789,834.88, 1,088,838.48 and 563,086.72

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Solution

The fourth proportional to 789,834.88, 1,088,838.48 and 563,086.72 is: 776,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,834.88 : 1,088,838.48 = 563,086.72 : x
  2. Step 2: Convert to fraction form
    789,834.88/1,088,838.48 = 563,086.72/x
  3. Step 3: Cross multiply
    789,834.88x = 1,088,838.48 × 563,086.72
  4. Step 4: Simplify right side
    789,834.88x = 613,110,488,312.99
  5. Step 5: Solve for x
    x = 613,110,488,312.99/789,834.88
  6. Step 6: Final answer
    x = 776,251.47

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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.