Home / 478,439.06-660,244.37-263,577.24

Finding the Fourth Proportional to 478,439.06, 660,244.37 and 263,577.24

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Solution

The fourth proportional to 478,439.06, 660,244.37 and 263,577.24 is: 363,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,439.06 : 660,244.37 = 263,577.24 : x
  2. Step 2: Convert to fraction form
    478,439.06/660,244.37 = 263,577.24/x
  3. Step 3: Cross multiply
    478,439.06x = 660,244.37 × 263,577.24
  4. Step 4: Simplify right side
    478,439.06x = 174,025,387,452.25
  5. Step 5: Solve for x
    x = 174,025,387,452.25/478,439.06
  6. Step 6: Final answer
    x = 363,735.75

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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.