Home / 577,244.40-796,579.02-405,412.08

Finding the Fourth Proportional to 577,244.40, 796,579.02 and 405,412.08

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Solution

The fourth proportional to 577,244.40, 796,579.02 and 405,412.08 is: 559,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,244.40 : 796,579.02 = 405,412.08 : x
  2. Step 2: Convert to fraction form
    577,244.40/796,579.02 = 405,412.08/x
  3. Step 3: Cross multiply
    577,244.40x = 796,579.02 × 405,412.08
  4. Step 4: Simplify right side
    577,244.40x = 322,942,757,382.56
  5. Step 5: Solve for x
    x = 322,942,757,382.56/577,244.40
  6. Step 6: Final answer
    x = 559,455.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.