Home / 699,301.89-1,049,106.47-415,251.90

Finding the Fourth Proportional to 699,301.89, 1,049,106.47 and 415,251.90

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Solution

The fourth proportional to 699,301.89, 1,049,106.47 and 415,251.90 is: 622,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,301.89 : 1,049,106.47 = 415,251.90 : x
  2. Step 2: Convert to fraction form
    699,301.89/1,049,106.47 = 415,251.90/x
  3. Step 3: Cross multiply
    699,301.89x = 1,049,106.47 × 415,251.90
  4. Step 4: Simplify right side
    699,301.89x = 435,643,452,893.53
  5. Step 5: Solve for x
    x = 435,643,452,893.53/699,301.89
  6. Step 6: Final answer
    x = 622,969.08

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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.