Home / 647,747.54-971,745.84-248,357.16

Finding the Fourth Proportional to 647,747.54, 971,745.84 and 248,357.16

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Solution

The fourth proportional to 647,747.54, 971,745.84 and 248,357.16 is: 372,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,747.54 : 971,745.84 = 248,357.16 : x
  2. Step 2: Convert to fraction form
    647,747.54/971,745.84 = 248,357.16/x
  3. Step 3: Cross multiply
    647,747.54x = 971,745.84 × 248,357.16
  4. Step 4: Simplify right side
    647,747.54x = 241,340,037,064.21
  5. Step 5: Solve for x
    x = 241,340,037,064.21/647,747.54
  6. Step 6: Final answer
    x = 372,583.49

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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.