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Finding the Fourth Proportional to 548,585.34, 757,044.27 and 306,866.76

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Solution

The fourth proportional to 548,585.34, 757,044.27 and 306,866.76 is: 423,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,585.34 : 757,044.27 = 306,866.76 : x
  2. Step 2: Convert to fraction form
    548,585.34/757,044.27 = 306,866.76/x
  3. Step 3: Cross multiply
    548,585.34x = 757,044.27 × 306,866.76
  4. Step 4: Simplify right side
    548,585.34x = 232,311,722,311.47
  5. Step 5: Solve for x
    x = 232,311,722,311.47/548,585.34
  6. Step 6: Final answer
    x = 423,474.17

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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.