Home / 892,145.60-1,337,181.60-359,403.20

Finding the Fourth Proportional to 892,145.60, 1,337,181.60 and 359,403.20

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Solution

The fourth proportional to 892,145.60, 1,337,181.60 and 359,403.20 is: 538,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,145.60 : 1,337,181.60 = 359,403.20 : x
  2. Step 2: Convert to fraction form
    892,145.60/1,337,181.60 = 359,403.20/x
  3. Step 3: Cross multiply
    892,145.60x = 1,337,181.60 × 359,403.20
  4. Step 4: Simplify right side
    892,145.60x = 480,587,346,021.12
  5. Step 5: Solve for x
    x = 480,587,346,021.12/892,145.60
  6. Step 6: Final answer
    x = 538,687.12

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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.