Home / 779,813.88-1,169,720.82-330,524.70

Finding the Fourth Proportional to 779,813.88, 1,169,720.82 and 330,524.70

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Solution

The fourth proportional to 779,813.88, 1,169,720.82 and 330,524.70 is: 495,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,813.88 : 1,169,720.82 = 330,524.70 : x
  2. Step 2: Convert to fraction form
    779,813.88/1,169,720.82 = 330,524.70/x
  3. Step 3: Cross multiply
    779,813.88x = 1,169,720.82 × 330,524.70
  4. Step 4: Simplify right side
    779,813.88x = 386,621,623,114.25
  5. Step 5: Solve for x
    x = 386,621,623,114.25/779,813.88
  6. Step 6: Final answer
    x = 495,787.05

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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.