Home / 828,794.55-1,143,054.13-488,934.75

Finding the Fourth Proportional to 828,794.55, 1,143,054.13 and 488,934.75

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Solution

The fourth proportional to 828,794.55, 1,143,054.13 and 488,934.75 is: 674,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,794.55 : 1,143,054.13 = 488,934.75 : x
  2. Step 2: Convert to fraction form
    828,794.55/1,143,054.13 = 488,934.75/x
  3. Step 3: Cross multiply
    828,794.55x = 1,143,054.13 × 488,934.75
  4. Step 4: Simplify right side
    828,794.55x = 558,878,885,288.02
  5. Step 5: Solve for x
    x = 558,878,885,288.02/828,794.55
  6. Step 6: Final answer
    x = 674,327.41

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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.