Home / 816,265.86-1,224,397.08-217,226.94

Finding the Fourth Proportional to 816,265.86, 1,224,397.08 and 217,226.94

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Solution

The fourth proportional to 816,265.86, 1,224,397.08 and 217,226.94 is: 325,839.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,265.86 : 1,224,397.08 = 217,226.94 : x
  2. Step 2: Convert to fraction form
    816,265.86/1,224,397.08 = 217,226.94/x
  3. Step 3: Cross multiply
    816,265.86x = 1,224,397.08 × 217,226.94
  4. Step 4: Simplify right side
    816,265.86x = 265,972,031,033.34
  5. Step 5: Solve for x
    x = 265,972,031,033.34/816,265.86
  6. Step 6: Final answer
    x = 325,839.95

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Double scale
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Similar ratio
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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.