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Finding the Fourth Proportional to 369,395.82, 554,881.31 and 347,798.90

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Solution

The fourth proportional to 369,395.82, 554,881.31 and 347,798.90 is: 522,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,395.82 : 554,881.31 = 347,798.90 : x
  2. Step 2: Convert to fraction form
    369,395.82/554,881.31 = 347,798.90/x
  3. Step 3: Cross multiply
    369,395.82x = 554,881.31 × 347,798.90
  4. Step 4: Simplify right side
    369,395.82x = 192,987,109,248.56
  5. Step 5: Solve for x
    x = 192,987,109,248.56/369,395.82
  6. Step 6: Final answer
    x = 522,439.88

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1.5x scale

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.