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Finding the Fourth Proportional to 671,424.80, 926,563.80 and 369,618.80

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Solution

The fourth proportional to 671,424.80, 926,563.80 and 369,618.80 is: 510,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,424.80 : 926,563.80 = 369,618.80 : x
  2. Step 2: Convert to fraction form
    671,424.80/926,563.80 = 369,618.80/x
  3. Step 3: Cross multiply
    671,424.80x = 926,563.80 × 369,618.80
  4. Step 4: Simplify right side
    671,424.80x = 342,475,399,879.44
  5. Step 5: Solve for x
    x = 342,475,399,879.44/671,424.80
  6. Step 6: Final answer
    x = 510,072.61

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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.