Home / 960,039.69-1,439,577.40-320,116.89

Finding the Fourth Proportional to 960,039.69, 1,439,577.40 and 320,116.89

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Solution

The fourth proportional to 960,039.69, 1,439,577.40 and 320,116.89 is: 480,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,039.69 : 1,439,577.40 = 320,116.89 : x
  2. Step 2: Convert to fraction form
    960,039.69/1,439,577.40 = 320,116.89/x
  3. Step 3: Cross multiply
    960,039.69x = 1,439,577.40 × 320,116.89
  4. Step 4: Simplify right side
    960,039.69x = 460,833,034,003.58
  5. Step 5: Solve for x
    x = 460,833,034,003.58/960,039.69
  6. Step 6: Final answer
    x = 480,014.56

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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.