Home / 840,090.80-1,259,808.60-366,453.20

Finding the Fourth Proportional to 840,090.80, 1,259,808.60 and 366,453.20

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Solution

The fourth proportional to 840,090.80, 1,259,808.60 and 366,453.20 is: 549,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,090.80 : 1,259,808.60 = 366,453.20 : x
  2. Step 2: Convert to fraction form
    840,090.80/1,259,808.60 = 366,453.20/x
  3. Step 3: Cross multiply
    840,090.80x = 1,259,808.60 × 366,453.20
  4. Step 4: Simplify right side
    840,090.80x = 461,660,892,857.52
  5. Step 5: Solve for x
    x = 461,660,892,857.52/840,090.80
  6. Step 6: Final answer
    x = 549,536.90

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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.