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Finding the Fourth Proportional to 577,075.75, 796,405.77 and 318,947.14

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Solution

The fourth proportional to 577,075.75, 796,405.77 and 318,947.14 is: 440,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,075.75 : 796,405.77 = 318,947.14 : x
  2. Step 2: Convert to fraction form
    577,075.75/796,405.77 = 318,947.14/x
  3. Step 3: Cross multiply
    577,075.75x = 796,405.77 × 318,947.14
  4. Step 4: Simplify right side
    577,075.75x = 254,011,342,621.00
  5. Step 5: Solve for x
    x = 254,011,342,621.00/577,075.75
  6. Step 6: Final answer
    x = 440,169.84

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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.