Home / 548,464.32-756,822.24-306,721.92

Finding the Fourth Proportional to 548,464.32, 756,822.24 and 306,721.92

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Solution

The fourth proportional to 548,464.32, 756,822.24 and 306,721.92 is: 423,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,464.32 : 756,822.24 = 306,721.92 : x
  2. Step 2: Convert to fraction form
    548,464.32/756,822.24 = 306,721.92/x
  3. Step 3: Cross multiply
    548,464.32x = 756,822.24 × 306,721.92
  4. Step 4: Simplify right side
    548,464.32x = 232,133,970,551.50
  5. Step 5: Solve for x
    x = 232,133,970,551.50/548,464.32
  6. Step 6: Final answer
    x = 423,243.52

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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.