Home / 828,878.37-1,143,786.74-466,230.03

Finding the Fourth Proportional to 828,878.37, 1,143,786.74 and 466,230.03

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Solution

The fourth proportional to 828,878.37, 1,143,786.74 and 466,230.03 is: 643,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,878.37 : 1,143,786.74 = 466,230.03 : x
  2. Step 2: Convert to fraction form
    828,878.37/1,143,786.74 = 466,230.03/x
  3. Step 3: Cross multiply
    828,878.37x = 1,143,786.74 × 466,230.03
  4. Step 4: Simplify right side
    828,878.37x = 533,267,723,772.65
  5. Step 5: Solve for x
    x = 533,267,723,772.65/828,878.37
  6. Step 6: Final answer
    x = 643,360.65

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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.