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Finding the Fourth Proportional to 608,888.36, 840,267.56 and 336,975

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Solution

The fourth proportional to 608,888.36, 840,267.56 and 336,975 is: 465,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,888.36 : 840,267.56 = 336,975 : x
  2. Step 2: Convert to fraction form
    608,888.36/840,267.56 = 336,975/x
  3. Step 3: Cross multiply
    608,888.36x = 840,267.56 × 336,975
  4. Step 4: Simplify right side
    608,888.36x = 283,149,161,031
  5. Step 5: Solve for x
    x = 283,149,161,031/608,888.36
  6. Step 6: Final answer
    x = 465,026.40

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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.