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Finding the Fourth Proportional to 650,300.42, 974,188.64 and 479,211.68

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Solution

The fourth proportional to 650,300.42, 974,188.64 and 479,211.68 is: 717,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,300.42 : 974,188.64 = 479,211.68 : x
  2. Step 2: Convert to fraction form
    650,300.42/974,188.64 = 479,211.68/x
  3. Step 3: Cross multiply
    650,300.42x = 974,188.64 × 479,211.68
  4. Step 4: Simplify right side
    650,300.42x = 466,842,567,544.31
  5. Step 5: Solve for x
    x = 466,842,567,544.31/650,300.42
  6. Step 6: Final answer
    x = 717,887.54

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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.