Home / 779,883.84-1,169,825.76-281,247.84

Finding the Fourth Proportional to 779,883.84, 1,169,825.76 and 281,247.84

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Solution

The fourth proportional to 779,883.84, 1,169,825.76 and 281,247.84 is: 421,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,883.84 : 1,169,825.76 = 281,247.84 : x
  2. Step 2: Convert to fraction form
    779,883.84/1,169,825.76 = 281,247.84/x
  3. Step 3: Cross multiply
    779,883.84x = 1,169,825.76 × 281,247.84
  4. Step 4: Simplify right side
    779,883.84x = 329,010,968,176.36
  5. Step 5: Solve for x
    x = 329,010,968,176.36/779,883.84
  6. Step 6: Final answer
    x = 421,871.76

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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.