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Finding the Fourth Proportional to 616,311, 850,548.74 and 344,379.69

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Solution

The fourth proportional to 616,311, 850,548.74 and 344,379.69 is: 475,266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,311 : 850,548.74 = 344,379.69 : x
  2. Step 2: Convert to fraction form
    616,311/850,548.74 = 344,379.69/x
  3. Step 3: Cross multiply
    616,311x = 850,548.74 × 344,379.69
  4. Step 4: Simplify right side
    616,311x = 292,911,709,689.19
  5. Step 5: Solve for x
    x = 292,911,709,689.19/616,311
  6. Step 6: Final answer
    x = 475,266.07

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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.