Home / 779,862.75-1,169,794.13-281,226.75

Finding the Fourth Proportional to 779,862.75, 1,169,794.13 and 281,226.75

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Solution

The fourth proportional to 779,862.75, 1,169,794.13 and 281,226.75 is: 421,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,862.75 : 1,169,794.13 = 281,226.75 : x
  2. Step 2: Convert to fraction form
    779,862.75/1,169,794.13 = 281,226.75/x
  3. Step 3: Cross multiply
    779,862.75x = 1,169,794.13 × 281,226.75
  4. Step 4: Simplify right side
    779,862.75x = 328,977,399,942.84
  5. Step 5: Solve for x
    x = 328,977,399,942.84/779,862.75
  6. Step 6: Final answer
    x = 421,840.13

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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.