Home / 864,334.80-1,293,877.80-769,856.40

Finding the Fourth Proportional to 864,334.80, 1,293,877.80 and 769,856.40

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Solution

The fourth proportional to 864,334.80, 1,293,877.80 and 769,856.40 is: 1,152,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,334.80 : 1,293,877.80 = 769,856.40 : x
  2. Step 2: Convert to fraction form
    864,334.80/1,293,877.80 = 769,856.40/x
  3. Step 3: Cross multiply
    864,334.80x = 1,293,877.80 × 769,856.40
  4. Step 4: Simplify right side
    864,334.80x = 996,100,105,147.92
  5. Step 5: Solve for x
    x = 996,100,105,147.92/864,334.80
  6. Step 6: Final answer
    x = 1,152,447.07

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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.