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Finding the Fourth Proportional to 901,588, 1,244,230.32 and 499,180

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Solution

The fourth proportional to 901,588, 1,244,230.32 and 499,180 is: 688,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,588 : 1,244,230.32 = 499,180 : x
  2. Step 2: Convert to fraction form
    901,588/1,244,230.32 = 499,180/x
  3. Step 3: Cross multiply
    901,588x = 1,244,230.32 × 499,180
  4. Step 4: Simplify right side
    901,588x = 621,094,891,137.60
  5. Step 5: Solve for x
    x = 621,094,891,137.60/901,588
  6. Step 6: Final answer
    x = 688,889.93

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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.