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Finding the Fourth Proportional to 549,658.84, 758,550.96 and 307,943.40

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Solution

The fourth proportional to 549,658.84, 758,550.96 and 307,943.40 is: 424,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,658.84 : 758,550.96 = 307,943.40 : x
  2. Step 2: Convert to fraction form
    549,658.84/758,550.96 = 307,943.40/x
  3. Step 3: Cross multiply
    549,658.84x = 758,550.96 × 307,943.40
  4. Step 4: Simplify right side
    549,658.84x = 233,590,761,695.66
  5. Step 5: Solve for x
    x = 233,590,761,695.66/549,658.84
  6. Step 6: Final answer
    x = 424,974.08

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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.