Home / 905,885.10-1,250,137.23-498,004.11

Finding the Fourth Proportional to 905,885.10, 1,250,137.23 and 498,004.11

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Solution

The fourth proportional to 905,885.10, 1,250,137.23 and 498,004.11 is: 687,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,885.10 : 1,250,137.23 = 498,004.11 : x
  2. Step 2: Convert to fraction form
    905,885.10/1,250,137.23 = 498,004.11/x
  3. Step 3: Cross multiply
    905,885.10x = 1,250,137.23 × 498,004.11
  4. Step 4: Simplify right side
    905,885.10x = 622,573,478,604.02
  5. Step 5: Solve for x
    x = 622,573,478,604.02/905,885.10
  6. Step 6: Final answer
    x = 687,254.35

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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.