Home / 696,431.40-1,044,942.35-380,519.25

Finding the Fourth Proportional to 696,431.40, 1,044,942.35 and 380,519.25

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Solution

The fourth proportional to 696,431.40, 1,044,942.35 and 380,519.25 is: 570,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,431.40 : 1,044,942.35 = 380,519.25 : x
  2. Step 2: Convert to fraction form
    696,431.40/1,044,942.35 = 380,519.25/x
  3. Step 3: Cross multiply
    696,431.40x = 1,044,942.35 × 380,519.25
  4. Step 4: Simplify right side
    696,431.40x = 397,620,679,315.24
  5. Step 5: Solve for x
    x = 397,620,679,315.24/696,431.40
  6. Step 6: Final answer
    x = 570,940.19

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1.5x scale

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.