Home / 950,498.34-1,311,687.45-520,794.78

Finding the Fourth Proportional to 950,498.34, 1,311,687.45 and 520,794.78

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Solution

The fourth proportional to 950,498.34, 1,311,687.45 and 520,794.78 is: 718,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,498.34 : 1,311,687.45 = 520,794.78 : x
  2. Step 2: Convert to fraction form
    950,498.34/1,311,687.45 = 520,794.78/x
  3. Step 3: Cross multiply
    950,498.34x = 1,311,687.45 × 520,794.78
  4. Step 4: Simplify right side
    950,498.34x = 683,119,976,951.51
  5. Step 5: Solve for x
    x = 683,119,976,951.51/950,498.34
  6. Step 6: Final answer
    x = 718,696.65

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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.