Home / 824,209.17-1,236,490.60-255,578.07

Finding the Fourth Proportional to 824,209.17, 1,236,490.60 and 255,578.07

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Solution

The fourth proportional to 824,209.17, 1,236,490.60 and 255,578.07 is: 383,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,209.17 : 1,236,490.60 = 255,578.07 : x
  2. Step 2: Convert to fraction form
    824,209.17/1,236,490.60 = 255,578.07/x
  3. Step 3: Cross multiply
    824,209.17x = 1,236,490.60 × 255,578.07
  4. Step 4: Simplify right side
    824,209.17x = 316,019,881,121.14
  5. Step 5: Solve for x
    x = 316,019,881,121.14/824,209.17
  6. Step 6: Final answer
    x = 383,421.94

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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.