Home / 920,992.34-1,271,008.67-513,093.96

Finding the Fourth Proportional to 920,992.34, 1,271,008.67 and 513,093.96

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Solution

The fourth proportional to 920,992.34, 1,271,008.67 and 513,093.96 is: 708,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,992.34 : 1,271,008.67 = 513,093.96 : x
  2. Step 2: Convert to fraction form
    920,992.34/1,271,008.67 = 513,093.96/x
  3. Step 3: Cross multiply
    920,992.34x = 1,271,008.67 × 513,093.96
  4. Step 4: Simplify right side
    920,992.34x = 652,146,869,119.16
  5. Step 5: Solve for x
    x = 652,146,869,119.16/920,992.34
  6. Step 6: Final answer
    x = 708,091.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.