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Finding the Fourth Proportional to 604,028.40, 906,042.60 and 248,859.60

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Solution

The fourth proportional to 604,028.40, 906,042.60 and 248,859.60 is: 373,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,028.40 : 906,042.60 = 248,859.60 : x
  2. Step 2: Convert to fraction form
    604,028.40/906,042.60 = 248,859.60/x
  3. Step 3: Cross multiply
    604,028.40x = 906,042.60 × 248,859.60
  4. Step 4: Simplify right side
    604,028.40x = 225,477,399,018.96
  5. Step 5: Solve for x
    x = 225,477,399,018.96/604,028.40
  6. Step 6: Final answer
    x = 373,289.40

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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.