Home / 822,835.20-1,234,252.80-379,603.20

Finding the Fourth Proportional to 822,835.20, 1,234,252.80 and 379,603.20

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Solution

The fourth proportional to 822,835.20, 1,234,252.80 and 379,603.20 is: 569,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,835.20 : 1,234,252.80 = 379,603.20 : x
  2. Step 2: Convert to fraction form
    822,835.20/1,234,252.80 = 379,603.20/x
  3. Step 3: Cross multiply
    822,835.20x = 1,234,252.80 × 379,603.20
  4. Step 4: Simplify right side
    822,835.20x = 468,526,312,488.96
  5. Step 5: Solve for x
    x = 468,526,312,488.96/822,835.20
  6. Step 6: Final answer
    x = 569,404.80

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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.