Home / 905,511.90-1,358,267.85-240,663.90

Finding the Fourth Proportional to 905,511.90, 1,358,267.85 and 240,663.90

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Solution

The fourth proportional to 905,511.90, 1,358,267.85 and 240,663.90 is: 360,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,511.90 : 1,358,267.85 = 240,663.90 : x
  2. Step 2: Convert to fraction form
    905,511.90/1,358,267.85 = 240,663.90/x
  3. Step 3: Cross multiply
    905,511.90x = 1,358,267.85 × 240,663.90
  4. Step 4: Simplify right side
    905,511.90x = 326,886,038,025.62
  5. Step 5: Solve for x
    x = 326,886,038,025.62/905,511.90
  6. Step 6: Final answer
    x = 360,995.85

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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.