Home / 930,895.44-1,396,315.24-257,017.88

Finding the Fourth Proportional to 930,895.44, 1,396,315.24 and 257,017.88

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Solution

The fourth proportional to 930,895.44, 1,396,315.24 and 257,017.88 is: 385,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,895.44 : 1,396,315.24 = 257,017.88 : x
  2. Step 2: Convert to fraction form
    930,895.44/1,396,315.24 = 257,017.88/x
  3. Step 3: Cross multiply
    930,895.44x = 1,396,315.24 × 257,017.88
  4. Step 4: Simplify right side
    930,895.44x = 358,877,982,796.49
  5. Step 5: Solve for x
    x = 358,877,982,796.49/930,895.44
  6. Step 6: Final answer
    x = 385,519.11

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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.