Home / 902,126.56-1,244,216.28-579,869.68

Finding the Fourth Proportional to 902,126.56, 1,244,216.28 and 579,869.68

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Solution

The fourth proportional to 902,126.56, 1,244,216.28 and 579,869.68 is: 799,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,126.56 : 1,244,216.28 = 579,869.68 : x
  2. Step 2: Convert to fraction form
    902,126.56/1,244,216.28 = 579,869.68/x
  3. Step 3: Cross multiply
    902,126.56x = 1,244,216.28 × 579,869.68
  4. Step 4: Simplify right side
    902,126.56x = 721,483,296,134.39
  5. Step 5: Solve for x
    x = 721,483,296,134.39/902,126.56
  6. Step 6: Final answer
    x = 799,758.40

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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.