Home / 875,819.60-1,313,729.40-403,427.60

Finding the Fourth Proportional to 875,819.60, 1,313,729.40 and 403,427.60

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Solution

The fourth proportional to 875,819.60, 1,313,729.40 and 403,427.60 is: 605,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,819.60 : 1,313,729.40 = 403,427.60 : x
  2. Step 2: Convert to fraction form
    875,819.60/1,313,729.40 = 403,427.60/x
  3. Step 3: Cross multiply
    875,819.60x = 1,313,729.40 × 403,427.60
  4. Step 4: Simplify right side
    875,819.60x = 529,994,698,891.44
  5. Step 5: Solve for x
    x = 529,994,698,891.44/875,819.60
  6. Step 6: Final answer
    x = 605,141.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.