Home / 478,268.24-659,961.34-294,477.62

Finding the Fourth Proportional to 478,268.24, 659,961.34 and 294,477.62

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Solution

The fourth proportional to 478,268.24, 659,961.34 and 294,477.62 is: 406,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,268.24 : 659,961.34 = 294,477.62 : x
  2. Step 2: Convert to fraction form
    478,268.24/659,961.34 = 294,477.62/x
  3. Step 3: Cross multiply
    478,268.24x = 659,961.34 × 294,477.62
  4. Step 4: Simplify right side
    478,268.24x = 194,343,844,695.21
  5. Step 5: Solve for x
    x = 194,343,844,695.21/478,268.24
  6. Step 6: Final answer
    x = 406,349.05

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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.