Home / 919,552.40-1,379,328.60-254,704.40

Finding the Fourth Proportional to 919,552.40, 1,379,328.60 and 254,704.40

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Solution

The fourth proportional to 919,552.40, 1,379,328.60 and 254,704.40 is: 382,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,552.40 : 1,379,328.60 = 254,704.40 : x
  2. Step 2: Convert to fraction form
    919,552.40/1,379,328.60 = 254,704.40/x
  3. Step 3: Cross multiply
    919,552.40x = 1,379,328.60 × 254,704.40
  4. Step 4: Simplify right side
    919,552.40x = 351,321,063,465.84
  5. Step 5: Solve for x
    x = 351,321,063,465.84/919,552.40
  6. Step 6: Final answer
    x = 382,056.60

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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.