Home / 864,350.61-1,296,528.98-265,311.82

Finding the Fourth Proportional to 864,350.61, 1,296,528.98 and 265,311.82

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Solution

The fourth proportional to 864,350.61, 1,296,528.98 and 265,311.82 is: 397,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,350.61 : 1,296,528.98 = 265,311.82 : x
  2. Step 2: Convert to fraction form
    864,350.61/1,296,528.98 = 265,311.82/x
  3. Step 3: Cross multiply
    864,350.61x = 1,296,528.98 × 265,311.82
  4. Step 4: Simplify right side
    864,350.61x = 343,984,462,039.99
  5. Step 5: Solve for x
    x = 343,984,462,039.99/864,350.61
  6. Step 6: Final answer
    x = 397,968.67

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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.