Home / 947,102.57-1,420,666.16-316,016.39

Finding the Fourth Proportional to 947,102.57, 1,420,666.16 and 316,016.39

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Solution

The fourth proportional to 947,102.57, 1,420,666.16 and 316,016.39 is: 474,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,102.57 : 1,420,666.16 = 316,016.39 : x
  2. Step 2: Convert to fraction form
    947,102.57/1,420,666.16 = 316,016.39/x
  3. Step 3: Cross multiply
    947,102.57x = 1,420,666.16 × 316,016.39
  4. Step 4: Simplify right side
    947,102.57x = 448,953,784,175.03
  5. Step 5: Solve for x
    x = 448,953,784,175.03/947,102.57
  6. Step 6: Final answer
    x = 474,028.68

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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.