Home / 783,600.80-1,175,401.20-251,503.70

Finding the Fourth Proportional to 783,600.80, 1,175,401.20 and 251,503.70

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Solution

The fourth proportional to 783,600.80, 1,175,401.20 and 251,503.70 is: 377,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,600.80 : 1,175,401.20 = 251,503.70 : x
  2. Step 2: Convert to fraction form
    783,600.80/1,175,401.20 = 251,503.70/x
  3. Step 3: Cross multiply
    783,600.80x = 1,175,401.20 × 251,503.70
  4. Step 4: Simplify right side
    783,600.80x = 295,617,750,784.44
  5. Step 5: Solve for x
    x = 295,617,750,784.44/783,600.80
  6. Step 6: Final answer
    x = 377,255.55

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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.