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Finding the Fourth Proportional to 508,029.28, 762,393.84 and 175,605.28

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Solution

The fourth proportional to 508,029.28, 762,393.84 and 175,605.28 is: 263,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,029.28 : 762,393.84 = 175,605.28 : x
  2. Step 2: Convert to fraction form
    508,029.28/762,393.84 = 175,605.28/x
  3. Step 3: Cross multiply
    508,029.28x = 762,393.84 × 175,605.28
  4. Step 4: Simplify right side
    508,029.28x = 133,880,383,743.48
  5. Step 5: Solve for x
    x = 133,880,383,743.48/508,029.28
  6. Step 6: Final answer
    x = 263,528.87

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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.