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Finding the Fourth Proportional to 478,467.84, 660,261.96 and 263,602.20

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Solution

The fourth proportional to 478,467.84, 660,261.96 and 263,602.20 is: 363,758.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,467.84 : 660,261.96 = 263,602.20 : x
  2. Step 2: Convert to fraction form
    478,467.84/660,261.96 = 263,602.20/x
  3. Step 3: Cross multiply
    478,467.84x = 660,261.96 × 263,602.20
  4. Step 4: Simplify right side
    478,467.84x = 174,046,505,232.31
  5. Step 5: Solve for x
    x = 174,046,505,232.31/478,467.84
  6. Step 6: Final answer
    x = 363,758.00

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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.