Home / 1,005,728.88-1,508,273.04-331,684.20

Finding the Fourth Proportional to 1,005,728.88, 1,508,273.04 and 331,684.20

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Solution

The fourth proportional to 1,005,728.88, 1,508,273.04 and 331,684.20 is: 497,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,728.88 : 1,508,273.04 = 331,684.20 : x
  2. Step 2: Convert to fraction form
    1,005,728.88/1,508,273.04 = 331,684.20/x
  3. Step 3: Cross multiply
    1,005,728.88x = 1,508,273.04 × 331,684.20
  4. Step 4: Simplify right side
    1,005,728.88x = 500,270,336,653.97
  5. Step 5: Solve for x
    x = 500,270,336,653.97/1,005,728.88
  6. Step 6: Final answer
    x = 497,420.67

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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.