Home / 857,219.04-1,285,924.32-351,759.36

Finding the Fourth Proportional to 857,219.04, 1,285,924.32 and 351,759.36

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Solution

The fourth proportional to 857,219.04, 1,285,924.32 and 351,759.36 is: 527,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,219.04 : 1,285,924.32 = 351,759.36 : x
  2. Step 2: Convert to fraction form
    857,219.04/1,285,924.32 = 351,759.36/x
  3. Step 3: Cross multiply
    857,219.04x = 1,285,924.32 × 351,759.36
  4. Step 4: Simplify right side
    857,219.04x = 452,335,915,811.64
  5. Step 5: Solve for x
    x = 452,335,915,811.64/857,219.04
  6. Step 6: Final answer
    x = 527,678.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.