Home / 901,679.28-1,244,302.20-499,262.64

Finding the Fourth Proportional to 901,679.28, 1,244,302.20 and 499,262.64

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Solution

The fourth proportional to 901,679.28, 1,244,302.20 and 499,262.64 is: 688,974.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,679.28 : 1,244,302.20 = 499,262.64 : x
  2. Step 2: Convert to fraction form
    901,679.28/1,244,302.20 = 499,262.64/x
  3. Step 3: Cross multiply
    901,679.28x = 1,244,302.20 × 499,262.64
  4. Step 4: Simplify right side
    901,679.28x = 621,233,601,329.81
  5. Step 5: Solve for x
    x = 621,233,601,329.81/901,679.28
  6. Step 6: Final answer
    x = 688,974.02

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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.