Home / 902,908.88-1,246,018.92-520,951.76

Finding the Fourth Proportional to 902,908.88, 1,246,018.92 and 520,951.76

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Solution

The fourth proportional to 902,908.88, 1,246,018.92 and 520,951.76 is: 718,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,908.88 : 1,246,018.92 = 520,951.76 : x
  2. Step 2: Convert to fraction form
    902,908.88/1,246,018.92 = 520,951.76/x
  3. Step 3: Cross multiply
    902,908.88x = 1,246,018.92 × 520,951.76
  4. Step 4: Simplify right side
    902,908.88x = 649,115,749,367.30
  5. Step 5: Solve for x
    x = 649,115,749,367.30/902,908.88
  6. Step 6: Final answer
    x = 718,916.12

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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.