Home / 851,336.91-1,173,623.76-669,733.20

Finding the Fourth Proportional to 851,336.91, 1,173,623.76 and 669,733.20

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Solution

The fourth proportional to 851,336.91, 1,173,623.76 and 669,733.20 is: 923,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,336.91 : 1,173,623.76 = 669,733.20 : x
  2. Step 2: Convert to fraction form
    851,336.91/1,173,623.76 = 669,733.20/x
  3. Step 3: Cross multiply
    851,336.91x = 1,173,623.76 × 669,733.20
  4. Step 4: Simplify right side
    851,336.91x = 786,014,796,380.83
  5. Step 5: Solve for x
    x = 786,014,796,380.83/851,336.91
  6. Step 6: Final answer
    x = 923,271.14

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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.