Home / 717,016.62-1,075,026.78-317,439.48

Finding the Fourth Proportional to 717,016.62, 1,075,026.78 and 317,439.48

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Solution

The fourth proportional to 717,016.62, 1,075,026.78 and 317,439.48 is: 475,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,016.62 : 1,075,026.78 = 317,439.48 : x
  2. Step 2: Convert to fraction form
    717,016.62/1,075,026.78 = 317,439.48/x
  3. Step 3: Cross multiply
    717,016.62x = 1,075,026.78 × 317,439.48
  4. Step 4: Simplify right side
    717,016.62x = 341,255,942,029.27
  5. Step 5: Solve for x
    x = 341,255,942,029.27/717,016.62
  6. Step 6: Final answer
    x = 475,938.68

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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.