Home / 478,268.21-659,961.29-294,477.59

Finding the Fourth Proportional to 478,268.21, 659,961.29 and 294,477.59

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Solution

The fourth proportional to 478,268.21, 659,961.29 and 294,477.59 is: 406,349.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,268.21 : 659,961.29 = 294,477.59 : x
  2. Step 2: Convert to fraction form
    478,268.21/659,961.29 = 294,477.59/x
  3. Step 3: Cross multiply
    478,268.21x = 659,961.29 × 294,477.59
  4. Step 4: Simplify right side
    478,268.21x = 194,343,810,172.49
  5. Step 5: Solve for x
    x = 194,343,810,172.49/478,268.21
  6. Step 6: Final answer
    x = 406,349.00

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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.