Home / 965,086.47-1,447,639.43-291,173.36

Finding the Fourth Proportional to 965,086.47, 1,447,639.43 and 291,173.36

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Solution

The fourth proportional to 965,086.47, 1,447,639.43 and 291,173.36 is: 436,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,086.47 : 1,447,639.43 = 291,173.36 : x
  2. Step 2: Convert to fraction form
    965,086.47/1,447,639.43 = 291,173.36/x
  3. Step 3: Cross multiply
    965,086.47x = 1,447,639.43 × 291,173.36
  4. Step 4: Simplify right side
    965,086.47x = 421,514,028,207.52
  5. Step 5: Solve for x
    x = 421,514,028,207.52/965,086.47
  6. Step 6: Final answer
    x = 436,762.97

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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.