Home / 937,689.40-1,406,388.30-263,704.60

Finding the Fourth Proportional to 937,689.40, 1,406,388.30 and 263,704.60

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Solution

The fourth proportional to 937,689.40, 1,406,388.30 and 263,704.60 is: 395,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,689.40 : 1,406,388.30 = 263,704.60 : x
  2. Step 2: Convert to fraction form
    937,689.40/1,406,388.30 = 263,704.60/x
  3. Step 3: Cross multiply
    937,689.40x = 1,406,388.30 × 263,704.60
  4. Step 4: Simplify right side
    937,689.40x = 370,871,064,096.18
  5. Step 5: Solve for x
    x = 370,871,064,096.18/937,689.40
  6. Step 6: Final answer
    x = 395,515.90

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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.