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Finding the Fourth Proportional to 542,829.56, 749,116.80 and 301,104.28

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Solution

The fourth proportional to 542,829.56, 749,116.80 and 301,104.28 is: 415,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,829.56 : 749,116.80 = 301,104.28 : x
  2. Step 2: Convert to fraction form
    542,829.56/749,116.80 = 301,104.28/x
  3. Step 3: Cross multiply
    542,829.56x = 749,116.80 × 301,104.28
  4. Step 4: Simplify right side
    542,829.56x = 225,562,274,699.90
  5. Step 5: Solve for x
    x = 225,562,274,699.90/542,829.56
  6. Step 6: Final answer
    x = 415,530.57

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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.