Home / 1,005,092.87-1,507,823.99-331,213.91

Finding the Fourth Proportional to 1,005,092.87, 1,507,823.99 and 331,213.91

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Solution

The fourth proportional to 1,005,092.87, 1,507,823.99 and 331,213.91 is: 496,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,092.87 : 1,507,823.99 = 331,213.91 : x
  2. Step 2: Convert to fraction form
    1,005,092.87/1,507,823.99 = 331,213.91/x
  3. Step 3: Cross multiply
    1,005,092.87x = 1,507,823.99 × 331,213.91
  4. Step 4: Simplify right side
    1,005,092.87x = 499,412,277,663.63
  5. Step 5: Solve for x
    x = 499,412,277,663.63/1,005,092.87
  6. Step 6: Final answer
    x = 496,881.72

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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.