Home / 674,448.63-1,012,171.85-319,463.44

Finding the Fourth Proportional to 674,448.63, 1,012,171.85 and 319,463.44

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Solution

The fourth proportional to 674,448.63, 1,012,171.85 and 319,463.44 is: 479,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,448.63 : 1,012,171.85 = 319,463.44 : x
  2. Step 2: Convert to fraction form
    674,448.63/1,012,171.85 = 319,463.44/x
  3. Step 3: Cross multiply
    674,448.63x = 1,012,171.85 × 319,463.44
  4. Step 4: Simplify right side
    674,448.63x = 323,351,903,835.87
  5. Step 5: Solve for x
    x = 323,351,903,835.87/674,448.63
  6. Step 6: Final answer
    x = 479,431.48

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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.