Home / 505,739.90-758,983.12-239,499.92

Finding the Fourth Proportional to 505,739.90, 758,983.12 and 239,499.92

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Solution

The fourth proportional to 505,739.90, 758,983.12 and 239,499.92 is: 359,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,739.90 : 758,983.12 = 239,499.92 : x
  2. Step 2: Convert to fraction form
    505,739.90/758,983.12 = 239,499.92/x
  3. Step 3: Cross multiply
    505,739.90x = 758,983.12 × 239,499.92
  4. Step 4: Simplify right side
    505,739.90x = 181,776,392,127.69
  5. Step 5: Solve for x
    x = 181,776,392,127.69/505,739.90
  6. Step 6: Final answer
    x = 359,426.64

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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.