Home / 753,453.10-1,130,179.65-254,817.10

Finding the Fourth Proportional to 753,453.10, 1,130,179.65 and 254,817.10

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Solution

The fourth proportional to 753,453.10, 1,130,179.65 and 254,817.10 is: 382,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,453.10 : 1,130,179.65 = 254,817.10 : x
  2. Step 2: Convert to fraction form
    753,453.10/1,130,179.65 = 254,817.10/x
  3. Step 3: Cross multiply
    753,453.10x = 1,130,179.65 × 254,817.10
  4. Step 4: Simplify right side
    753,453.10x = 287,989,100,892.02
  5. Step 5: Solve for x
    x = 287,989,100,892.02/753,453.10
  6. Step 6: Final answer
    x = 382,225.65

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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.