Home / 881,982.40-1,320,349.20-526,813.60

Finding the Fourth Proportional to 881,982.40, 1,320,349.20 and 526,813.60

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Solution

The fourth proportional to 881,982.40, 1,320,349.20 and 526,813.60 is: 788,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,982.40 : 1,320,349.20 = 526,813.60 : x
  2. Step 2: Convert to fraction form
    881,982.40/1,320,349.20 = 526,813.60/x
  3. Step 3: Cross multiply
    881,982.40x = 1,320,349.20 × 526,813.60
  4. Step 4: Simplify right side
    881,982.40x = 695,577,915,309.12
  5. Step 5: Solve for x
    x = 695,577,915,309.12/881,982.40
  6. Step 6: Final answer
    x = 788,652.83

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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.