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Finding the Fourth Proportional to 649,856.70, 973,863.45 and 480,051.90

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Solution

The fourth proportional to 649,856.70, 973,863.45 and 480,051.90 is: 719,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,856.70 : 973,863.45 = 480,051.90 : x
  2. Step 2: Convert to fraction form
    649,856.70/973,863.45 = 480,051.90/x
  3. Step 3: Cross multiply
    649,856.70x = 973,863.45 × 480,051.90
  4. Step 4: Simplify right side
    649,856.70x = 467,504,999,513.06
  5. Step 5: Solve for x
    x = 467,504,999,513.06/649,856.70
  6. Step 6: Final answer
    x = 719,397.06

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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.