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Finding the Fourth Proportional to 478,512.02, 660,358.71 and 263,652.03

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Solution

The fourth proportional to 478,512.02, 660,358.71 and 263,652.03 is: 363,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,512.02 : 660,358.71 = 263,652.03 : x
  2. Step 2: Convert to fraction form
    478,512.02/660,358.71 = 263,652.03/x
  3. Step 3: Cross multiply
    478,512.02x = 660,358.71 × 263,652.03
  4. Step 4: Simplify right side
    478,512.02x = 174,104,914,419.68
  5. Step 5: Solve for x
    x = 174,104,914,419.68/478,512.02
  6. Step 6: Final answer
    x = 363,846.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.