Home / 549,331.28-758,077.06-304,331.96

Finding the Fourth Proportional to 549,331.28, 758,077.06 and 304,331.96

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Solution

The fourth proportional to 549,331.28, 758,077.06 and 304,331.96 is: 419,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,331.28 : 758,077.06 = 304,331.96 : x
  2. Step 2: Convert to fraction form
    549,331.28/758,077.06 = 304,331.96/x
  3. Step 3: Cross multiply
    549,331.28x = 758,077.06 × 304,331.96
  4. Step 4: Simplify right side
    549,331.28x = 230,707,077,500.84
  5. Step 5: Solve for x
    x = 230,707,077,500.84/549,331.28
  6. Step 6: Final answer
    x = 419,978.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.