Home / 834,063.96-1,151,670.78-770,378.52

Finding the Fourth Proportional to 834,063.96, 1,151,670.78 and 770,378.52

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Solution

The fourth proportional to 834,063.96, 1,151,670.78 and 770,378.52 is: 1,063,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,063.96 : 1,151,670.78 = 770,378.52 : x
  2. Step 2: Convert to fraction form
    834,063.96/1,151,670.78 = 770,378.52/x
  3. Step 3: Cross multiply
    834,063.96x = 1,151,670.78 × 770,378.52
  4. Step 4: Simplify right side
    834,063.96x = 887,222,431,023.65
  5. Step 5: Solve for x
    x = 887,222,431,023.65/834,063.96
  6. Step 6: Final answer
    x = 1,063,734.29

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1.5x scale

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.