Home / 779,190.40-1,168,902.40-329,910.40

Finding the Fourth Proportional to 779,190.40, 1,168,902.40 and 329,910.40

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Solution

The fourth proportional to 779,190.40, 1,168,902.40 and 329,910.40 is: 494,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,190.40 : 1,168,902.40 = 329,910.40 : x
  2. Step 2: Convert to fraction form
    779,190.40/1,168,902.40 = 329,910.40/x
  3. Step 3: Cross multiply
    779,190.40x = 1,168,902.40 × 329,910.40
  4. Step 4: Simplify right side
    779,190.40x = 385,633,058,344.96
  5. Step 5: Solve for x
    x = 385,633,058,344.96/779,190.40
  6. Step 6: Final answer
    x = 494,915.05

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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.