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Finding the Fourth Proportional to 549,670.41, 758,625.30 and 307,969.34

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Solution

The fourth proportional to 549,670.41, 758,625.30 and 307,969.34 is: 425,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,670.41 : 758,625.30 = 307,969.34 : x
  2. Step 2: Convert to fraction form
    549,670.41/758,625.30 = 307,969.34/x
  3. Step 3: Cross multiply
    549,670.41x = 758,625.30 × 307,969.34
  4. Step 4: Simplify right side
    549,670.41x = 233,633,329,155.18
  5. Step 5: Solve for x
    x = 233,633,329,155.18/549,670.41
  6. Step 6: Final answer
    x = 425,042.58

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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.