Home / 459,932.20-689,898.30-404,636.20

Finding the Fourth Proportional to 459,932.20, 689,898.30 and 404,636.20

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Solution

The fourth proportional to 459,932.20, 689,898.30 and 404,636.20 is: 606,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,932.20 : 689,898.30 = 404,636.20 : x
  2. Step 2: Convert to fraction form
    459,932.20/689,898.30 = 404,636.20/x
  3. Step 3: Cross multiply
    459,932.20x = 689,898.30 × 404,636.20
  4. Step 4: Simplify right side
    459,932.20x = 279,157,826,498.46
  5. Step 5: Solve for x
    x = 279,157,826,498.46/459,932.20
  6. Step 6: Final answer
    x = 606,954.30

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.