Home / 813,347.53-1,122,419.69-450,794.79

Finding the Fourth Proportional to 813,347.53, 1,122,419.69 and 450,794.79

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Solution

The fourth proportional to 813,347.53, 1,122,419.69 and 450,794.79 is: 622,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,347.53 : 1,122,419.69 = 450,794.79 : x
  2. Step 2: Convert to fraction form
    813,347.53/1,122,419.69 = 450,794.79/x
  3. Step 3: Cross multiply
    813,347.53x = 1,122,419.69 × 450,794.79
  4. Step 4: Simplify right side
    813,347.53x = 505,980,951,676.94
  5. Step 5: Solve for x
    x = 505,980,951,676.94/813,347.53
  6. Step 6: Final answer
    x = 622,096.87

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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.