Home / 753,224.76-1,039,445.46-451,418.76

Finding the Fourth Proportional to 753,224.76, 1,039,445.46 and 451,418.76

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Solution

The fourth proportional to 753,224.76, 1,039,445.46 and 451,418.76 is: 622,955.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,224.76 : 1,039,445.46 = 451,418.76 : x
  2. Step 2: Convert to fraction form
    753,224.76/1,039,445.46 = 451,418.76/x
  3. Step 3: Cross multiply
    753,224.76x = 1,039,445.46 × 451,418.76
  4. Step 4: Simplify right side
    753,224.76x = 469,225,180,640.83
  5. Step 5: Solve for x
    x = 469,225,180,640.83/753,224.76
  6. Step 6: Final answer
    x = 622,955.07

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Double scale
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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.