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Finding the Fourth Proportional to 608,255.62, 839,356.69 and 336,302.17

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Solution

The fourth proportional to 608,255.62, 839,356.69 and 336,302.17 is: 464,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,255.62 : 839,356.69 = 336,302.17 : x
  2. Step 2: Convert to fraction form
    608,255.62/839,356.69 = 336,302.17/x
  3. Step 3: Cross multiply
    608,255.62x = 839,356.69 × 336,302.17
  4. Step 4: Simplify right side
    608,255.62x = 282,277,476,251.02
  5. Step 5: Solve for x
    x = 282,277,476,251.02/608,255.62
  6. Step 6: Final answer
    x = 464,077.05

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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.