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Finding the Fourth Proportional to 901,584, 1,244,224.80 and 499,176

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Solution

The fourth proportional to 901,584, 1,244,224.80 and 499,176 is: 688,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,584 : 1,244,224.80 = 499,176 : x
  2. Step 2: Convert to fraction form
    901,584/1,244,224.80 = 499,176/x
  3. Step 3: Cross multiply
    901,584x = 1,244,224.80 × 499,176
  4. Step 4: Simplify right side
    901,584x = 621,087,158,764.80
  5. Step 5: Solve for x
    x = 621,087,158,764.80/901,584
  6. Step 6: Final answer
    x = 688,884.41

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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.