Home / 824,494.60-1,236,612.30-291,939.40

Finding the Fourth Proportional to 824,494.60, 1,236,612.30 and 291,939.40

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Solution

The fourth proportional to 824,494.60, 1,236,612.30 and 291,939.40 is: 437,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,494.60 : 1,236,612.30 = 291,939.40 : x
  2. Step 2: Convert to fraction form
    824,494.60/1,236,612.30 = 291,939.40/x
  3. Step 3: Cross multiply
    824,494.60x = 1,236,612.30 × 291,939.40
  4. Step 4: Simplify right side
    824,494.60x = 361,015,852,894.62
  5. Step 5: Solve for x
    x = 361,015,852,894.62/824,494.60
  6. Step 6: Final answer
    x = 437,863.21

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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.