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Finding the Fourth Proportional to 608,568.12, 839,759.40 and 336,592.80

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Solution

The fourth proportional to 608,568.12, 839,759.40 and 336,592.80 is: 464,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,568.12 : 839,759.40 = 336,592.80 : x
  2. Step 2: Convert to fraction form
    608,568.12/839,759.40 = 336,592.80/x
  3. Step 3: Cross multiply
    608,568.12x = 839,759.40 × 336,592.80
  4. Step 4: Simplify right side
    608,568.12x = 282,656,967,772.32
  5. Step 5: Solve for x
    x = 282,656,967,772.32/608,568.12
  6. Step 6: Final answer
    x = 464,462.33

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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.