Home / 783,401.20-1,175,101.80-250,939.60

Finding the Fourth Proportional to 783,401.20, 1,175,101.80 and 250,939.60

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Solution

The fourth proportional to 783,401.20, 1,175,101.80 and 250,939.60 is: 376,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,401.20 : 1,175,101.80 = 250,939.60 : x
  2. Step 2: Convert to fraction form
    783,401.20/1,175,101.80 = 250,939.60/x
  3. Step 3: Cross multiply
    783,401.20x = 1,175,101.80 × 250,939.60
  4. Step 4: Simplify right side
    783,401.20x = 294,879,575,651.28
  5. Step 5: Solve for x
    x = 294,879,575,651.28/783,401.20
  6. Step 6: Final answer
    x = 376,409.40

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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.