Home / 563,634.54-777,833.58-308,983.50

Finding the Fourth Proportional to 563,634.54, 777,833.58 and 308,983.50

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Solution

The fourth proportional to 563,634.54, 777,833.58 and 308,983.50 is: 426,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,634.54 : 777,833.58 = 308,983.50 : x
  2. Step 2: Convert to fraction form
    563,634.54/777,833.58 = 308,983.50/x
  3. Step 3: Cross multiply
    563,634.54x = 777,833.58 × 308,983.50
  4. Step 4: Simplify right side
    563,634.54x = 240,337,741,965.93
  5. Step 5: Solve for x
    x = 240,337,741,965.93/563,634.54
  6. Step 6: Final answer
    x = 426,407.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.