Home / 723,621.24-1,084,604.40-344,003.40

Finding the Fourth Proportional to 723,621.24, 1,084,604.40 and 344,003.40

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Solution

The fourth proportional to 723,621.24, 1,084,604.40 and 344,003.40 is: 515,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,621.24 : 1,084,604.40 = 344,003.40 : x
  2. Step 2: Convert to fraction form
    723,621.24/1,084,604.40 = 344,003.40/x
  3. Step 3: Cross multiply
    723,621.24x = 1,084,604.40 × 344,003.40
  4. Step 4: Simplify right side
    723,621.24x = 373,107,601,254.96
  5. Step 5: Solve for x
    x = 373,107,601,254.96/723,621.24
  6. Step 6: Final answer
    x = 515,611.73

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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.