Home / 1,005,070.50-1,507,790.42-331,191.54

Finding the Fourth Proportional to 1,005,070.50, 1,507,790.42 and 331,191.54

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Solution

The fourth proportional to 1,005,070.50, 1,507,790.42 and 331,191.54 is: 496,848.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,070.50 : 1,507,790.42 = 331,191.54 : x
  2. Step 2: Convert to fraction form
    1,005,070.50/1,507,790.42 = 331,191.54/x
  3. Step 3: Cross multiply
    1,005,070.50x = 1,507,790.42 × 331,191.54
  4. Step 4: Simplify right side
    1,005,070.50x = 499,367,431,197.05
  5. Step 5: Solve for x
    x = 499,367,431,197.05/1,005,070.50
  6. Step 6: Final answer
    x = 496,848.16

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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.