Home / 822,819.36-1,135,499.40-483,293.28

Finding the Fourth Proportional to 822,819.36, 1,135,499.40 and 483,293.28

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Solution

The fourth proportional to 822,819.36, 1,135,499.40 and 483,293.28 is: 666,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,819.36 : 1,135,499.40 = 483,293.28 : x
  2. Step 2: Convert to fraction form
    822,819.36/1,135,499.40 = 483,293.28/x
  3. Step 3: Cross multiply
    822,819.36x = 1,135,499.40 × 483,293.28
  4. Step 4: Simplify right side
    822,819.36x = 548,779,229,464.03
  5. Step 5: Solve for x
    x = 548,779,229,464.03/822,819.36
  6. Step 6: Final answer
    x = 666,949.83

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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.