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Finding the Fourth Proportional to 542,876.39, 749,259.23 and 301,236.81

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Solution

The fourth proportional to 542,876.39, 749,259.23 and 301,236.81 is: 415,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,876.39 : 749,259.23 = 301,236.81 : x
  2. Step 2: Convert to fraction form
    542,876.39/749,259.23 = 301,236.81/x
  3. Step 3: Cross multiply
    542,876.39x = 749,259.23 × 301,236.81
  4. Step 4: Simplify right side
    542,876.39x = 225,704,458,193.78
  5. Step 5: Solve for x
    x = 225,704,458,193.78/542,876.39
  6. Step 6: Final answer
    x = 415,756.63

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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.