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Finding the Fourth Proportional to 550,284.85, 825,427.28 and 450,557.65

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Solution

The fourth proportional to 550,284.85, 825,427.28 and 450,557.65 is: 675,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,284.85 : 825,427.28 = 450,557.65 : x
  2. Step 2: Convert to fraction form
    550,284.85/825,427.28 = 450,557.65/x
  3. Step 3: Cross multiply
    550,284.85x = 825,427.28 × 450,557.65
  4. Step 4: Simplify right side
    550,284.85x = 371,902,573,269.90
  5. Step 5: Solve for x
    x = 371,902,573,269.90/550,284.85
  6. Step 6: Final answer
    x = 675,836.48

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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.