Home / 947,103.07-1,420,666.91-316,016.88

Finding the Fourth Proportional to 947,103.07, 1,420,666.91 and 316,016.88

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Solution

The fourth proportional to 947,103.07, 1,420,666.91 and 316,016.88 is: 474,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,103.07 : 1,420,666.91 = 316,016.88 : x
  2. Step 2: Convert to fraction form
    947,103.07/1,420,666.91 = 316,016.88/x
  3. Step 3: Cross multiply
    947,103.07x = 1,420,666.91 × 316,016.88
  4. Step 4: Simplify right side
    947,103.07x = 448,954,724,417.44
  5. Step 5: Solve for x
    x = 448,954,724,417.44/947,103.07
  6. Step 6: Final answer
    x = 474,029.43

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Similar ratio
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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.