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Finding the Fourth Proportional to 664,950.60, 997,134.30 and 265,458.60

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Solution

The fourth proportional to 664,950.60, 997,134.30 and 265,458.60 is: 398,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,950.60 : 997,134.30 = 265,458.60 : x
  2. Step 2: Convert to fraction form
    664,950.60/997,134.30 = 265,458.60/x
  3. Step 3: Cross multiply
    664,950.60x = 997,134.30 × 265,458.60
  4. Step 4: Simplify right side
    664,950.60x = 264,697,875,289.98
  5. Step 5: Solve for x
    x = 264,697,875,289.98/664,950.60
  6. Step 6: Final answer
    x = 398,071.49

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1.5x scale

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.