Home / 965,005.89-1,447,088.29-325,190.38

Finding the Fourth Proportional to 965,005.89, 1,447,088.29 and 325,190.38

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Solution

The fourth proportional to 965,005.89, 1,447,088.29 and 325,190.38 is: 487,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,005.89 : 1,447,088.29 = 325,190.38 : x
  2. Step 2: Convert to fraction form
    965,005.89/1,447,088.29 = 325,190.38/x
  3. Step 3: Cross multiply
    965,005.89x = 1,447,088.29 × 325,190.38
  4. Step 4: Simplify right side
    965,005.89x = 470,579,197,363.99
  5. Step 5: Solve for x
    x = 470,579,197,363.99/965,005.89
  6. Step 6: Final answer
    x = 487,643.86

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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.