Home / 1,005,434.07-1,508,249.51-331,240.29

Finding the Fourth Proportional to 1,005,434.07, 1,508,249.51 and 331,240.29

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Solution

The fourth proportional to 1,005,434.07, 1,508,249.51 and 331,240.29 is: 496,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,434.07 : 1,508,249.51 = 331,240.29 : x
  2. Step 2: Convert to fraction form
    1,005,434.07/1,508,249.51 = 331,240.29/x
  3. Step 3: Cross multiply
    1,005,434.07x = 1,508,249.51 × 331,240.29
  4. Step 4: Simplify right side
    1,005,434.07x = 499,593,000,878.00
  5. Step 5: Solve for x
    x = 499,593,000,878.00/1,005,434.07
  6. Step 6: Final answer
    x = 496,892.85

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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.