Home / 403,723.60-604,921.20-245,475.52

Finding the Fourth Proportional to 403,723.60, 604,921.20 and 245,475.52

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Solution

The fourth proportional to 403,723.60, 604,921.20 and 245,475.52 is: 367,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,723.60 : 604,921.20 = 245,475.52 : x
  2. Step 2: Convert to fraction form
    403,723.60/604,921.20 = 245,475.52/x
  3. Step 3: Cross multiply
    403,723.60x = 604,921.20 × 245,475.52
  4. Step 4: Simplify right side
    403,723.60x = 148,493,346,129.02
  5. Step 5: Solve for x
    x = 148,493,346,129.02/403,723.60
  6. Step 6: Final answer
    x = 367,809.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.