Home / 804,926.20-1,208,166.90-489,998.20

Finding the Fourth Proportional to 804,926.20, 1,208,166.90 and 489,998.20

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Solution

The fourth proportional to 804,926.20, 1,208,166.90 and 489,998.20 is: 735,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,926.20 : 1,208,166.90 = 489,998.20 : x
  2. Step 2: Convert to fraction form
    804,926.20/1,208,166.90 = 489,998.20/x
  3. Step 3: Cross multiply
    804,926.20x = 1,208,166.90 × 489,998.20
  4. Step 4: Simplify right side
    804,926.20x = 591,999,606,299.58
  5. Step 5: Solve for x
    x = 591,999,606,299.58/804,926.20
  6. Step 6: Final answer
    x = 735,470.66

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Double scale
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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.