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Finding the Fourth Proportional to 549,335.08, 758,159.22 and 396,866.56

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Solution

The fourth proportional to 549,335.08, 758,159.22 and 396,866.56 is: 547,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,335.08 : 758,159.22 = 396,866.56 : x
  2. Step 2: Convert to fraction form
    549,335.08/758,159.22 = 396,866.56/x
  3. Step 3: Cross multiply
    549,335.08x = 758,159.22 × 396,866.56
  4. Step 4: Simplify right side
    549,335.08x = 300,888,041,573.68
  5. Step 5: Solve for x
    x = 300,888,041,573.68/549,335.08
  6. Step 6: Final answer
    x = 547,731.34

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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.