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Finding the Fourth Proportional to 608,281.56, 839,419.82 and 336,343.49

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Solution

The fourth proportional to 608,281.56, 839,419.82 and 336,343.49 is: 464,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,281.56 : 839,419.82 = 336,343.49 : x
  2. Step 2: Convert to fraction form
    608,281.56/839,419.82 = 336,343.49/x
  3. Step 3: Cross multiply
    608,281.56x = 839,419.82 × 336,343.49
  4. Step 4: Simplify right side
    608,281.56x = 282,333,391,833.97
  5. Step 5: Solve for x
    x = 282,333,391,833.97/608,281.56
  6. Step 6: Final answer
    x = 464,149.19

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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.