Home / 851,342.63-1,173,631.68-669,738.92

Finding the Fourth Proportional to 851,342.63, 1,173,631.68 and 669,738.92

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Solution

The fourth proportional to 851,342.63, 1,173,631.68 and 669,738.92 is: 923,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,342.63 : 1,173,631.68 = 669,738.92 : x
  2. Step 2: Convert to fraction form
    851,342.63/1,173,631.68 = 669,738.92/x
  3. Step 3: Cross multiply
    851,342.63x = 1,173,631.68 × 669,738.92
  4. Step 4: Simplify right side
    851,342.63x = 786,026,813,840.99
  5. Step 5: Solve for x
    x = 786,026,813,840.99/851,342.63
  6. Step 6: Final answer
    x = 923,279.05

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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.