Home / 496,038.69-684,679.07-323,982.95

Finding the Fourth Proportional to 496,038.69, 684,679.07 and 323,982.95

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Solution

The fourth proportional to 496,038.69, 684,679.07 and 323,982.95 is: 447,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,038.69 : 684,679.07 = 323,982.95 : x
  2. Step 2: Convert to fraction form
    496,038.69/684,679.07 = 323,982.95/x
  3. Step 3: Cross multiply
    496,038.69x = 684,679.07 × 323,982.95
  4. Step 4: Simplify right side
    496,038.69x = 221,824,339,858.55
  5. Step 5: Solve for x
    x = 221,824,339,858.55/496,038.69
  6. Step 6: Final answer
    x = 447,191.61

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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.