Home / 816,087.30-1,224,246.15-255,063.30

Finding the Fourth Proportional to 816,087.30, 1,224,246.15 and 255,063.30

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Solution

The fourth proportional to 816,087.30, 1,224,246.15 and 255,063.30 is: 382,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,087.30 : 1,224,246.15 = 255,063.30 : x
  2. Step 2: Convert to fraction form
    816,087.30/1,224,246.15 = 255,063.30/x
  3. Step 3: Cross multiply
    816,087.30x = 1,224,246.15 × 255,063.30
  4. Step 4: Simplify right side
    816,087.30x = 312,260,263,031.30
  5. Step 5: Solve for x
    x = 312,260,263,031.30/816,087.30
  6. Step 6: Final answer
    x = 382,630.96

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Double scale
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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.