Home / 920,156.73-1,380,516.79-471,195.48

Finding the Fourth Proportional to 920,156.73, 1,380,516.79 and 471,195.48

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Solution

The fourth proportional to 920,156.73, 1,380,516.79 and 471,195.48 is: 706,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,156.73 : 1,380,516.79 = 471,195.48 : x
  2. Step 2: Convert to fraction form
    920,156.73/1,380,516.79 = 471,195.48/x
  3. Step 3: Cross multiply
    920,156.73x = 1,380,516.79 × 471,195.48
  4. Step 4: Simplify right side
    920,156.73x = 650,493,271,512.11
  5. Step 5: Solve for x
    x = 650,493,271,512.11/920,156.73
  6. Step 6: Final answer
    x = 706,937.47

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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.