Home / 807,930.67-1,211,926.65-302,438.44

Finding the Fourth Proportional to 807,930.67, 1,211,926.65 and 302,438.44

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Solution

The fourth proportional to 807,930.67, 1,211,926.65 and 302,438.44 is: 453,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,930.67 : 1,211,926.65 = 302,438.44 : x
  2. Step 2: Convert to fraction form
    807,930.67/1,211,926.65 = 302,438.44/x
  3. Step 3: Cross multiply
    807,930.67x = 1,211,926.65 × 302,438.44
  4. Step 4: Simplify right side
    807,930.67x = 366,533,205,420.43
  5. Step 5: Solve for x
    x = 366,533,205,420.43/807,930.67
  6. Step 6: Final answer
    x = 453,669.13

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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.