Home / 563,542.64-777,685.32-308,904.56

Finding the Fourth Proportional to 563,542.64, 777,685.32 and 308,904.56

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Solution

The fourth proportional to 563,542.64, 777,685.32 and 308,904.56 is: 426,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,542.64 : 777,685.32 = 308,904.56 : x
  2. Step 2: Convert to fraction form
    563,542.64/777,685.32 = 308,904.56/x
  3. Step 3: Cross multiply
    563,542.64x = 777,685.32 × 308,904.56
  4. Step 4: Simplify right side
    563,542.64x = 240,230,541,593.06
  5. Step 5: Solve for x
    x = 240,230,541,593.06/563,542.64
  6. Step 6: Final answer
    x = 426,286.36

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1.5x scale

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.