Home / 505,928.02-757,532.06-385,410.82

Finding the Fourth Proportional to 505,928.02, 757,532.06 and 385,410.82

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Solution

The fourth proportional to 505,928.02, 757,532.06 and 385,410.82 is: 577,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,928.02 : 757,532.06 = 385,410.82 : x
  2. Step 2: Convert to fraction form
    505,928.02/757,532.06 = 385,410.82/x
  3. Step 3: Cross multiply
    505,928.02x = 757,532.06 × 385,410.82
  4. Step 4: Simplify right side
    505,928.02x = 291,961,052,420.89
  5. Step 5: Solve for x
    x = 291,961,052,420.89/505,928.02
  6. Step 6: Final answer
    x = 577,080.22

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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.