Home / 816,211.76-1,224,339.54-255,246.26

Finding the Fourth Proportional to 816,211.76, 1,224,339.54 and 255,246.26

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Solution

The fourth proportional to 816,211.76, 1,224,339.54 and 255,246.26 is: 382,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,211.76 : 1,224,339.54 = 255,246.26 : x
  2. Step 2: Convert to fraction form
    816,211.76/1,224,339.54 = 255,246.26/x
  3. Step 3: Cross multiply
    816,211.76x = 1,224,339.54 × 255,246.26
  4. Step 4: Simplify right side
    816,211.76x = 312,508,088,555.12
  5. Step 5: Solve for x
    x = 312,508,088,555.12/816,211.76
  6. Step 6: Final answer
    x = 382,876.24

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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.