Home / 807,526.05-1,211,848.50-321,158.37

Finding the Fourth Proportional to 807,526.05, 1,211,848.50 and 321,158.37

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Solution

The fourth proportional to 807,526.05, 1,211,848.50 and 321,158.37 is: 481,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,526.05 : 1,211,848.50 = 321,158.37 : x
  2. Step 2: Convert to fraction form
    807,526.05/1,211,848.50 = 321,158.37/x
  3. Step 3: Cross multiply
    807,526.05x = 1,211,848.50 × 321,158.37
  4. Step 4: Simplify right side
    807,526.05x = 389,195,288,946.95
  5. Step 5: Solve for x
    x = 389,195,288,946.95/807,526.05
  6. Step 6: Final answer
    x = 481,960.04

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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.