Home / 436,220.64-601,611.30-300,471.12

Finding the Fourth Proportional to 436,220.64, 601,611.30 and 300,471.12

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Solution

The fourth proportional to 436,220.64, 601,611.30 and 300,471.12 is: 414,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,220.64 : 601,611.30 = 300,471.12 : x
  2. Step 2: Convert to fraction form
    436,220.64/601,611.30 = 300,471.12/x
  3. Step 3: Cross multiply
    436,220.64x = 601,611.30 × 300,471.12
  4. Step 4: Simplify right side
    436,220.64x = 180,766,821,115.66
  5. Step 5: Solve for x
    x = 180,766,821,115.66/436,220.64
  6. Step 6: Final answer
    x = 414,393.10

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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.