Home / 850,806.60-1,278,110.70-710,838.60

Finding the Fourth Proportional to 850,806.60, 1,278,110.70 and 710,838.60

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Solution

The fourth proportional to 850,806.60, 1,278,110.70 and 710,838.60 is: 1,067,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,806.60 : 1,278,110.70 = 710,838.60 : x
  2. Step 2: Convert to fraction form
    850,806.60/1,278,110.70 = 710,838.60/x
  3. Step 3: Cross multiply
    850,806.60x = 1,278,110.70 × 710,838.60
  4. Step 4: Simplify right side
    850,806.60x = 908,530,420,633.02
  5. Step 5: Solve for x
    x = 908,530,420,633.02/850,806.60
  6. Step 6: Final answer
    x = 1,067,846.00

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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.