Home / 901,164.66-1,243,522.17-538,516.32

Finding the Fourth Proportional to 901,164.66, 1,243,522.17 and 538,516.32

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Solution

The fourth proportional to 901,164.66, 1,243,522.17 and 538,516.32 is: 743,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,164.66 : 1,243,522.17 = 538,516.32 : x
  2. Step 2: Convert to fraction form
    901,164.66/1,243,522.17 = 538,516.32/x
  3. Step 3: Cross multiply
    901,164.66x = 1,243,522.17 × 538,516.32
  4. Step 4: Simplify right side
    901,164.66x = 669,656,982,826.81
  5. Step 5: Solve for x
    x = 669,656,982,826.81/901,164.66
  6. Step 6: Final answer
    x = 743,101.69

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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.