Home / 413,733.20-620,772.60-133,336.40

Finding the Fourth Proportional to 413,733.20, 620,772.60 and 133,336.40

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Solution

The fourth proportional to 413,733.20, 620,772.60 and 133,336.40 is: 200,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,733.20 : 620,772.60 = 133,336.40 : x
  2. Step 2: Convert to fraction form
    413,733.20/620,772.60 = 133,336.40/x
  3. Step 3: Cross multiply
    413,733.20x = 620,772.60 × 133,336.40
  4. Step 4: Simplify right side
    413,733.20x = 82,771,583,702.64
  5. Step 5: Solve for x
    x = 82,771,583,702.64/413,733.20
  6. Step 6: Final answer
    x = 200,060.29

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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.