Home / 872,259.60-1,309,224.60-451,837.20

Finding the Fourth Proportional to 872,259.60, 1,309,224.60 and 451,837.20

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Solution

The fourth proportional to 872,259.60, 1,309,224.60 and 451,837.20 is: 678,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,259.60 : 1,309,224.60 = 451,837.20 : x
  2. Step 2: Convert to fraction form
    872,259.60/1,309,224.60 = 451,837.20/x
  3. Step 3: Cross multiply
    872,259.60x = 1,309,224.60 × 451,837.20
  4. Step 4: Simplify right side
    872,259.60x = 591,556,377,435.12
  5. Step 5: Solve for x
    x = 591,556,377,435.12/872,259.60
  6. Step 6: Final answer
    x = 678,188.44

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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.