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Finding the Fourth Proportional to 549,355.44, 758,025.36 and 307,648.24

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Solution

The fourth proportional to 549,355.44, 758,025.36 and 307,648.24 is: 424,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,355.44 : 758,025.36 = 307,648.24 : x
  2. Step 2: Convert to fraction form
    549,355.44/758,025.36 = 307,648.24/x
  3. Step 3: Cross multiply
    549,355.44x = 758,025.36 × 307,648.24
  4. Step 4: Simplify right side
    549,355.44x = 233,205,167,879.37
  5. Step 5: Solve for x
    x = 233,205,167,879.37/549,355.44
  6. Step 6: Final answer
    x = 424,506.89

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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.