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Finding the Fourth Proportional to 608,028.03, 839,130.46 and 353,362.82

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Solution

The fourth proportional to 608,028.03, 839,130.46 and 353,362.82 is: 487,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,028.03 : 839,130.46 = 353,362.82 : x
  2. Step 2: Convert to fraction form
    608,028.03/839,130.46 = 353,362.82/x
  3. Step 3: Cross multiply
    608,028.03x = 839,130.46 × 353,362.82
  4. Step 4: Simplify right side
    608,028.03x = 296,517,501,497.85
  5. Step 5: Solve for x
    x = 296,517,501,497.85/608,028.03
  6. Step 6: Final answer
    x = 487,670.78

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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.