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Finding the Fourth Proportional to 901,596, 1,244,202.48 and 499,188

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Solution

The fourth proportional to 901,596, 1,244,202.48 and 499,188 is: 688,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,596 : 1,244,202.48 = 499,188 : x
  2. Step 2: Convert to fraction form
    901,596/1,244,202.48 = 499,188/x
  3. Step 3: Cross multiply
    901,596x = 1,244,202.48 × 499,188
  4. Step 4: Simplify right side
    901,596x = 621,090,947,586.24
  5. Step 5: Solve for x
    x = 621,090,947,586.24/901,596
  6. Step 6: Final answer
    x = 688,879.44

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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.