Home / 505,926.02-757,529.07-385,408.82

Finding the Fourth Proportional to 505,926.02, 757,529.07 and 385,408.82

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Solution

The fourth proportional to 505,926.02, 757,529.07 and 385,408.82 is: 577,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,926.02 : 757,529.07 = 385,408.82 : x
  2. Step 2: Convert to fraction form
    505,926.02/757,529.07 = 385,408.82/x
  3. Step 3: Cross multiply
    505,926.02x = 757,529.07 × 385,408.82
  4. Step 4: Simplify right side
    505,926.02x = 291,958,384,984.40
  5. Step 5: Solve for x
    x = 291,958,384,984.40/505,926.02
  6. Step 6: Final answer
    x = 577,077.23

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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.