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Finding the Fourth Proportional to 549,010.09, 757,633.72 and 307,292.60

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Solution

The fourth proportional to 549,010.09, 757,633.72 and 307,292.60 is: 424,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,010.09 : 757,633.72 = 307,292.60 : x
  2. Step 2: Convert to fraction form
    549,010.09/757,633.72 = 307,292.60/x
  3. Step 3: Cross multiply
    549,010.09x = 757,633.72 × 307,292.60
  4. Step 4: Simplify right side
    549,010.09x = 232,815,237,368.50
  5. Step 5: Solve for x
    x = 232,815,237,368.50/549,010.09
  6. Step 6: Final answer
    x = 424,063.68

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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.