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Finding the Fourth Proportional to 600,369.18, 828,428.31 and 342,279.42

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Solution

The fourth proportional to 600,369.18, 828,428.31 and 342,279.42 is: 472,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,369.18 : 828,428.31 = 342,279.42 : x
  2. Step 2: Convert to fraction form
    600,369.18/828,428.31 = 342,279.42/x
  3. Step 3: Cross multiply
    600,369.18x = 828,428.31 × 342,279.42
  4. Step 4: Simplify right side
    600,369.18x = 283,553,961,458.38
  5. Step 5: Solve for x
    x = 283,553,961,458.38/600,369.18
  6. Step 6: Final answer
    x = 472,299.33

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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.