Home / 865,302.50-1,297,953.76-274,326.50

Finding the Fourth Proportional to 865,302.50, 1,297,953.76 and 274,326.50

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Solution

The fourth proportional to 865,302.50, 1,297,953.76 and 274,326.50 is: 411,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,302.50 : 1,297,953.76 = 274,326.50 : x
  2. Step 2: Convert to fraction form
    865,302.50/1,297,953.76 = 274,326.50/x
  3. Step 3: Cross multiply
    865,302.50x = 1,297,953.76 × 274,326.50
  4. Step 4: Simplify right side
    865,302.50x = 356,063,112,142.64
  5. Step 5: Solve for x
    x = 356,063,112,142.64/865,302.50
  6. Step 6: Final answer
    x = 411,489.75

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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.