Home / 455,852.40-682,794.45-296,420.10

Finding the Fourth Proportional to 455,852.40, 682,794.45 and 296,420.10

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Solution

The fourth proportional to 455,852.40, 682,794.45 and 296,420.10 is: 443,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,852.40 : 682,794.45 = 296,420.10 : x
  2. Step 2: Convert to fraction form
    455,852.40/682,794.45 = 296,420.10/x
  3. Step 3: Cross multiply
    455,852.40x = 682,794.45 × 296,420.10
  4. Step 4: Simplify right side
    455,852.40x = 202,393,999,148.45
  5. Step 5: Solve for x
    x = 202,393,999,148.45/455,852.40
  6. Step 6: Final answer
    x = 443,990.20

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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.