Home / 559,319.82-771,873.27-304,670.46

Finding the Fourth Proportional to 559,319.82, 771,873.27 and 304,670.46

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Solution

The fourth proportional to 559,319.82, 771,873.27 and 304,670.46 is: 420,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,319.82 : 771,873.27 = 304,670.46 : x
  2. Step 2: Convert to fraction form
    559,319.82/771,873.27 = 304,670.46/x
  3. Step 3: Cross multiply
    559,319.82x = 771,873.27 × 304,670.46
  4. Step 4: Simplify right side
    559,319.82x = 235,166,984,232.60
  5. Step 5: Solve for x
    x = 235,166,984,232.60/559,319.82
  6. Step 6: Final answer
    x = 420,451.73

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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.