Home / 753,010.31-1,039,152.08-451,204.31

Finding the Fourth Proportional to 753,010.31, 1,039,152.08 and 451,204.31

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Solution

The fourth proportional to 753,010.31, 1,039,152.08 and 451,204.31 is: 622,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,010.31 : 1,039,152.08 = 451,204.31 : x
  2. Step 2: Convert to fraction form
    753,010.31/1,039,152.08 = 451,204.31/x
  3. Step 3: Cross multiply
    753,010.31x = 1,039,152.08 × 451,204.31
  4. Step 4: Simplify right side
    753,010.31x = 468,869,889,789.68
  5. Step 5: Solve for x
    x = 468,869,889,789.68/753,010.31
  6. Step 6: Final answer
    x = 622,660.66

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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.