Home / 901,475.69-1,243,989.09-493,499.34

Finding the Fourth Proportional to 901,475.69, 1,243,989.09 and 493,499.34

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Solution

The fourth proportional to 901,475.69, 1,243,989.09 and 493,499.34 is: 681,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,475.69 : 1,243,989.09 = 493,499.34 : x
  2. Step 2: Convert to fraction form
    901,475.69/1,243,989.09 = 493,499.34/x
  3. Step 3: Cross multiply
    901,475.69x = 1,243,989.09 × 493,499.34
  4. Step 4: Simplify right side
    901,475.69x = 613,907,794,882.20
  5. Step 5: Solve for x
    x = 613,907,794,882.20/901,475.69
  6. Step 6: Final answer
    x = 681,003.17

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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.