Home / 904,010.40-1,356,015.60-230,090.40

Finding the Fourth Proportional to 904,010.40, 1,356,015.60 and 230,090.40

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Solution

The fourth proportional to 904,010.40, 1,356,015.60 and 230,090.40 is: 345,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,010.40 : 1,356,015.60 = 230,090.40 : x
  2. Step 2: Convert to fraction form
    904,010.40/1,356,015.60 = 230,090.40/x
  3. Step 3: Cross multiply
    904,010.40x = 1,356,015.60 × 230,090.40
  4. Step 4: Simplify right side
    904,010.40x = 312,006,171,810.24
  5. Step 5: Solve for x
    x = 312,006,171,810.24/904,010.40
  6. Step 6: Final answer
    x = 345,135.60

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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.