Home / 901,468.98-1,243,979.91-493,492.64

Finding the Fourth Proportional to 901,468.98, 1,243,979.91 and 493,492.64

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Solution

The fourth proportional to 901,468.98, 1,243,979.91 and 493,492.64 is: 680,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,468.98 : 1,243,979.91 = 493,492.64 : x
  2. Step 2: Convert to fraction form
    901,468.98/1,243,979.91 = 493,492.64/x
  3. Step 3: Cross multiply
    901,468.98x = 1,243,979.91 × 493,492.64
  4. Step 4: Simplify right side
    901,468.98x = 613,894,923,672.96
  5. Step 5: Solve for x
    x = 613,894,923,672.96/901,468.98
  6. Step 6: Final answer
    x = 680,993.95

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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.