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Finding the Fourth Proportional to 608,288.82, 839,429.81 and 336,350.73

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Solution

The fourth proportional to 608,288.82, 839,429.81 and 336,350.73 is: 464,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,288.82 : 839,429.81 = 336,350.73 : x
  2. Step 2: Convert to fraction form
    608,288.82/839,429.81 = 336,350.73/x
  3. Step 3: Cross multiply
    608,288.82x = 839,429.81 × 336,350.73
  4. Step 4: Simplify right side
    608,288.82x = 282,342,827,695.51
  5. Step 5: Solve for x
    x = 282,342,827,695.51/608,288.82
  6. Step 6: Final answer
    x = 464,159.16

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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.