Home / 478,748.21-660,677.04-263,896.02

Finding the Fourth Proportional to 478,748.21, 660,677.04 and 263,896.02

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Solution

The fourth proportional to 478,748.21, 660,677.04 and 263,896.02 is: 364,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,748.21 : 660,677.04 = 263,896.02 : x
  2. Step 2: Convert to fraction form
    478,748.21/660,677.04 = 263,896.02/x
  3. Step 3: Cross multiply
    478,748.21x = 660,677.04 × 263,896.02
  4. Step 4: Simplify right side
    478,748.21x = 174,350,041,361.38
  5. Step 5: Solve for x
    x = 174,350,041,361.38/478,748.21
  6. Step 6: Final answer
    x = 364,179.00

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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.