Home / 931,899.80-1,395,800.76-770,142.48

Finding the Fourth Proportional to 931,899.80, 1,395,800.76 and 770,142.48

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Solution

The fourth proportional to 931,899.80, 1,395,800.76 and 770,142.48 is: 1,153,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,899.80 : 1,395,800.76 = 770,142.48 : x
  2. Step 2: Convert to fraction form
    931,899.80/1,395,800.76 = 770,142.48/x
  3. Step 3: Cross multiply
    931,899.80x = 1,395,800.76 × 770,142.48
  4. Step 4: Simplify right side
    931,899.80x = 1,074,965,458,892.28
  5. Step 5: Solve for x
    x = 1,074,965,458,892.28/931,899.80
  6. Step 6: Final answer
    x = 1,153,520.43

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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.