Home / 396,007.07-546,940.77-268,461.23

Finding the Fourth Proportional to 396,007.07, 546,940.77 and 268,461.23

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Solution

The fourth proportional to 396,007.07, 546,940.77 and 268,461.23 is: 370,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,007.07 : 546,940.77 = 268,461.23 : x
  2. Step 2: Convert to fraction form
    396,007.07/546,940.77 = 268,461.23/x
  3. Step 3: Cross multiply
    396,007.07x = 546,940.77 × 268,461.23
  4. Step 4: Simplify right side
    396,007.07x = 146,832,389,116.64
  5. Step 5: Solve for x
    x = 146,832,389,116.64/396,007.07
  6. Step 6: Final answer
    x = 370,782.25

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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.