Home / 824,346.90-1,236,696.86-255,715.70

Finding the Fourth Proportional to 824,346.90, 1,236,696.86 and 255,715.70

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Solution

The fourth proportional to 824,346.90, 1,236,696.86 and 255,715.70 is: 383,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,346.90 : 1,236,696.86 = 255,715.70 : x
  2. Step 2: Convert to fraction form
    824,346.90/1,236,696.86 = 255,715.70/x
  3. Step 3: Cross multiply
    824,346.90x = 1,236,696.86 × 255,715.70
  4. Step 4: Simplify right side
    824,346.90x = 316,242,797,698.51
  5. Step 5: Solve for x
    x = 316,242,797,698.51/824,346.90
  6. Step 6: Final answer
    x = 383,628.30

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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.