Home / 899,634.88-1,349,688.67-323,316.36

Finding the Fourth Proportional to 899,634.88, 1,349,688.67 and 323,316.36

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Solution

The fourth proportional to 899,634.88, 1,349,688.67 and 323,316.36 is: 485,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,634.88 : 1,349,688.67 = 323,316.36 : x
  2. Step 2: Convert to fraction form
    899,634.88/1,349,688.67 = 323,316.36/x
  3. Step 3: Cross multiply
    899,634.88x = 1,349,688.67 × 323,316.36
  4. Step 4: Simplify right side
    899,634.88x = 436,376,433,383.12
  5. Step 5: Solve for x
    x = 436,376,433,383.12/899,634.88
  6. Step 6: Final answer
    x = 485,059.49

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1.5x scale

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.