Home / 808,222.22-1,212,333.33-358,837.46

Finding the Fourth Proportional to 808,222.22, 1,212,333.33 and 358,837.46

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Solution

The fourth proportional to 808,222.22, 1,212,333.33 and 358,837.46 is: 538,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,222.22 : 1,212,333.33 = 358,837.46 : x
  2. Step 2: Convert to fraction form
    808,222.22/1,212,333.33 = 358,837.46/x
  3. Step 3: Cross multiply
    808,222.22x = 1,212,333.33 × 358,837.46
  4. Step 4: Simplify right side
    808,222.22x = 435,030,606,748.88
  5. Step 5: Solve for x
    x = 435,030,606,748.88/808,222.22
  6. Step 6: Final answer
    x = 538,256.19

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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.