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Finding the Fourth Proportional to 566,907, 782,274.90 and 349,080.76

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Solution

The fourth proportional to 566,907, 782,274.90 and 349,080.76 is: 481,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,907 : 782,274.90 = 349,080.76 : x
  2. Step 2: Convert to fraction form
    566,907/782,274.90 = 349,080.76/x
  3. Step 3: Cross multiply
    566,907x = 782,274.90 × 349,080.76
  4. Step 4: Simplify right side
    566,907x = 273,077,116,620.92
  5. Step 5: Solve for x
    x = 273,077,116,620.92/566,907
  6. Step 6: Final answer
    x = 481,696.50

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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.