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Finding the Fourth Proportional to 443,833, 612,489.56 and 242,629

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Solution

The fourth proportional to 443,833, 612,489.56 and 242,629 is: 334,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,833 : 612,489.56 = 242,629 : x
  2. Step 2: Convert to fraction form
    443,833/612,489.56 = 242,629/x
  3. Step 3: Cross multiply
    443,833x = 612,489.56 × 242,629
  4. Step 4: Simplify right side
    443,833x = 148,607,729,453.24
  5. Step 5: Solve for x
    x = 148,607,729,453.24/443,833
  6. Step 6: Final answer
    x = 334,828.03

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1.5x scale

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.