Home / 905,511.15-1,358,266.73-274,342.95

Finding the Fourth Proportional to 905,511.15, 1,358,266.73 and 274,342.95

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Solution

The fourth proportional to 905,511.15, 1,358,266.73 and 274,342.95 is: 411,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,511.15 : 1,358,266.73 = 274,342.95 : x
  2. Step 2: Convert to fraction form
    905,511.15/1,358,266.73 = 274,342.95/x
  3. Step 3: Cross multiply
    905,511.15x = 1,358,266.73 × 274,342.95
  4. Step 4: Simplify right side
    905,511.15x = 372,630,900,223.34
  5. Step 5: Solve for x
    x = 372,630,900,223.34/905,511.15
  6. Step 6: Final answer
    x = 411,514.43

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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.