Home / 542,941.90-749,295.26-313,508.86

Finding the Fourth Proportional to 542,941.90, 749,295.26 and 313,508.86

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Solution

The fourth proportional to 542,941.90, 749,295.26 and 313,508.86 is: 432,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,941.90 : 749,295.26 = 313,508.86 : x
  2. Step 2: Convert to fraction form
    542,941.90/749,295.26 = 313,508.86/x
  3. Step 3: Cross multiply
    542,941.90x = 749,295.26 × 313,508.86
  4. Step 4: Simplify right side
    542,941.90x = 234,910,702,766.00
  5. Step 5: Solve for x
    x = 234,910,702,766.00/542,941.90
  6. Step 6: Final answer
    x = 432,662.69

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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.