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Finding the Fourth Proportional to 580,208.61, 800,675.91 and 322,070.52

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Solution

The fourth proportional to 580,208.61, 800,675.91 and 322,070.52 is: 444,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,208.61 : 800,675.91 = 322,070.52 : x
  2. Step 2: Convert to fraction form
    580,208.61/800,675.91 = 322,070.52/x
  3. Step 3: Cross multiply
    580,208.61x = 800,675.91 × 322,070.52
  4. Step 4: Simplify right side
    580,208.61x = 257,874,106,685.17
  5. Step 5: Solve for x
    x = 257,874,106,685.17/580,208.61
  6. Step 6: Final answer
    x = 444,450.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.