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Finding the Fourth Proportional to 608,213.84, 839,320.32 and 336,274.72

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Solution

The fourth proportional to 608,213.84, 839,320.32 and 336,274.72 is: 464,050.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,213.84 : 839,320.32 = 336,274.72 : x
  2. Step 2: Convert to fraction form
    608,213.84/839,320.32 = 336,274.72/x
  3. Step 3: Cross multiply
    608,213.84x = 839,320.32 × 336,274.72
  4. Step 4: Simplify right side
    608,213.84x = 282,242,205,598.31
  5. Step 5: Solve for x
    x = 282,242,205,598.31/608,213.84
  6. Step 6: Final answer
    x = 464,050.94

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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.