Home / 698,849.80-1,048,274.70-325,601.80

Finding the Fourth Proportional to 698,849.80, 1,048,274.70 and 325,601.80

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Solution

The fourth proportional to 698,849.80, 1,048,274.70 and 325,601.80 is: 488,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,849.80 : 1,048,274.70 = 325,601.80 : x
  2. Step 2: Convert to fraction form
    698,849.80/1,048,274.70 = 325,601.80/x
  3. Step 3: Cross multiply
    698,849.80x = 1,048,274.70 × 325,601.80
  4. Step 4: Simplify right side
    698,849.80x = 341,320,129,214.46
  5. Step 5: Solve for x
    x = 341,320,129,214.46/698,849.80
  6. Step 6: Final answer
    x = 488,402.70

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Similar ratio
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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.