Home / 455,612.20-682,835.10-403,124.20

Finding the Fourth Proportional to 455,612.20, 682,835.10 and 403,124.20

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Solution

The fourth proportional to 455,612.20, 682,835.10 and 403,124.20 is: 604,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,612.20 : 682,835.10 = 403,124.20 : x
  2. Step 2: Convert to fraction form
    455,612.20/682,835.10 = 403,124.20/x
  3. Step 3: Cross multiply
    455,612.20x = 682,835.10 × 403,124.20
  4. Step 4: Simplify right side
    455,612.20x = 275,267,353,419.42
  5. Step 5: Solve for x
    x = 275,267,353,419.42/455,612.20
  6. Step 6: Final answer
    x = 604,170.29

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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.