Home / 836,498.70-1,254,038.64-331,416.52

Finding the Fourth Proportional to 836,498.70, 1,254,038.64 and 331,416.52

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Solution

The fourth proportional to 836,498.70, 1,254,038.64 and 331,416.52 is: 496,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,498.70 : 1,254,038.64 = 331,416.52 : x
  2. Step 2: Convert to fraction form
    836,498.70/1,254,038.64 = 331,416.52/x
  3. Step 3: Cross multiply
    836,498.70x = 1,254,038.64 × 331,416.52
  4. Step 4: Simplify right side
    836,498.70x = 415,609,122,014.33
  5. Step 5: Solve for x
    x = 415,609,122,014.33/836,498.70
  6. Step 6: Final answer
    x = 496,843.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.