Home / 723,418.80-1,085,022.57-210,946.23

Finding the Fourth Proportional to 723,418.80, 1,085,022.57 and 210,946.23

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Solution

The fourth proportional to 723,418.80, 1,085,022.57 and 210,946.23 is: 316,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,418.80 : 1,085,022.57 = 210,946.23 : x
  2. Step 2: Convert to fraction form
    723,418.80/1,085,022.57 = 210,946.23/x
  3. Step 3: Cross multiply
    723,418.80x = 1,085,022.57 × 210,946.23
  4. Step 4: Simplify right side
    723,418.80x = 228,881,415,181.30
  5. Step 5: Solve for x
    x = 228,881,415,181.30/723,418.80
  6. Step 6: Final answer
    x = 316,388.54

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1.5x scale

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.