Home / 702,840.60-1,054,260.90-348,546.60

Finding the Fourth Proportional to 702,840.60, 1,054,260.90 and 348,546.60

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Solution

The fourth proportional to 702,840.60, 1,054,260.90 and 348,546.60 is: 522,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,840.60 : 1,054,260.90 = 348,546.60 : x
  2. Step 2: Convert to fraction form
    702,840.60/1,054,260.90 = 348,546.60/x
  3. Step 3: Cross multiply
    702,840.60x = 1,054,260.90 × 348,546.60
  4. Step 4: Simplify right side
    702,840.60x = 367,459,052,207.94
  5. Step 5: Solve for x
    x = 367,459,052,207.94/702,840.60
  6. Step 6: Final answer
    x = 522,819.90

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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.