Home / 516,387.02-774,711.94-303,335.08

Finding the Fourth Proportional to 516,387.02, 774,711.94 and 303,335.08

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Solution

The fourth proportional to 516,387.02, 774,711.94 and 303,335.08 is: 455,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,387.02 : 774,711.94 = 303,335.08 : x
  2. Step 2: Convert to fraction form
    516,387.02/774,711.94 = 303,335.08/x
  3. Step 3: Cross multiply
    516,387.02x = 774,711.94 × 303,335.08
  4. Step 4: Simplify right side
    516,387.02x = 234,997,308,296.86
  5. Step 5: Solve for x
    x = 234,997,308,296.86/516,387.02
  6. Step 6: Final answer
    x = 455,079.81

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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.