Home / 942,090.48-1,413,201.60-311,448.24

Finding the Fourth Proportional to 942,090.48, 1,413,201.60 and 311,448.24

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Solution

The fourth proportional to 942,090.48, 1,413,201.60 and 311,448.24 is: 467,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,090.48 : 1,413,201.60 = 311,448.24 : x
  2. Step 2: Convert to fraction form
    942,090.48/1,413,201.60 = 311,448.24/x
  3. Step 3: Cross multiply
    942,090.48x = 1,413,201.60 × 311,448.24
  4. Step 4: Simplify right side
    942,090.48x = 440,139,151,085.18
  5. Step 5: Solve for x
    x = 440,139,151,085.18/942,090.48
  6. Step 6: Final answer
    x = 467,194.14

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Half scale
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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.