Home / 807,483.60-1,211,402.79-238,820.37

Finding the Fourth Proportional to 807,483.60, 1,211,402.79 and 238,820.37

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Solution

The fourth proportional to 807,483.60, 1,211,402.79 and 238,820.37 is: 358,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,483.60 : 1,211,402.79 = 238,820.37 : x
  2. Step 2: Convert to fraction form
    807,483.60/1,211,402.79 = 238,820.37/x
  3. Step 3: Cross multiply
    807,483.60x = 1,211,402.79 × 238,820.37
  4. Step 4: Simplify right side
    807,483.60x = 289,307,668,205.28
  5. Step 5: Solve for x
    x = 289,307,668,205.28/807,483.60
  6. Step 6: Final answer
    x = 358,283.03

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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.