Home / 880,837.86-1,321,284.20-419,114.64

Finding the Fourth Proportional to 880,837.86, 1,321,284.20 and 419,114.64

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Solution

The fourth proportional to 880,837.86, 1,321,284.20 and 419,114.64 is: 628,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,837.86 : 1,321,284.20 = 419,114.64 : x
  2. Step 2: Convert to fraction form
    880,837.86/1,321,284.20 = 419,114.64/x
  3. Step 3: Cross multiply
    880,837.86x = 1,321,284.20 × 419,114.64
  4. Step 4: Simplify right side
    880,837.86x = 553,769,551,820.69
  5. Step 5: Solve for x
    x = 553,769,551,820.69/880,837.86
  6. Step 6: Final answer
    x = 628,685.00

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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.