Home / 824,419.68-1,236,746.94-255,849.90

Finding the Fourth Proportional to 824,419.68, 1,236,746.94 and 255,849.90

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Solution

The fourth proportional to 824,419.68, 1,236,746.94 and 255,849.90 is: 383,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,419.68 : 1,236,746.94 = 255,849.90 : x
  2. Step 2: Convert to fraction form
    824,419.68/1,236,746.94 = 255,849.90/x
  3. Step 3: Cross multiply
    824,419.68x = 1,236,746.94 × 255,849.90
  4. Step 4: Simplify right side
    824,419.68x = 316,421,580,924.31
  5. Step 5: Solve for x
    x = 316,421,580,924.31/824,419.68
  6. Step 6: Final answer
    x = 383,811.29

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1.5x scale

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.