Home / 549,932.22-758,905.43-308,214.72

Finding the Fourth Proportional to 549,932.22, 758,905.43 and 308,214.72

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Solution

The fourth proportional to 549,932.22, 758,905.43 and 308,214.72 is: 425,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,932.22 : 758,905.43 = 308,214.72 : x
  2. Step 2: Convert to fraction form
    549,932.22/758,905.43 = 308,214.72/x
  3. Step 3: Cross multiply
    549,932.22x = 758,905.43 × 308,214.72
  4. Step 4: Simplify right side
    549,932.22x = 233,905,824,613.93
  5. Step 5: Solve for x
    x = 233,905,824,613.93/549,932.22
  6. Step 6: Final answer
    x = 425,335.73

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1.5x scale

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.