Home / 505,739.77-758,982.93-239,499.79

Finding the Fourth Proportional to 505,739.77, 758,982.93 and 239,499.79

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Solution

The fourth proportional to 505,739.77, 758,982.93 and 239,499.79 is: 359,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,739.77 : 758,982.93 = 239,499.79 : x
  2. Step 2: Convert to fraction form
    505,739.77/758,982.93 = 239,499.79/x
  3. Step 3: Cross multiply
    505,739.77x = 758,982.93 × 239,499.79
  4. Step 4: Simplify right side
    505,739.77x = 181,776,252,348.59
  5. Step 5: Solve for x
    x = 181,776,252,348.59/505,739.77
  6. Step 6: Final answer
    x = 359,426.45

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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.