Home / 903,040.40-1,354,517.40-303,942.80

Finding the Fourth Proportional to 903,040.40, 1,354,517.40 and 303,942.80

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Solution

The fourth proportional to 903,040.40, 1,354,517.40 and 303,942.80 is: 455,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,040.40 : 1,354,517.40 = 303,942.80 : x
  2. Step 2: Convert to fraction form
    903,040.40/1,354,517.40 = 303,942.80/x
  3. Step 3: Cross multiply
    903,040.40x = 1,354,517.40 × 303,942.80
  4. Step 4: Simplify right side
    903,040.40x = 411,695,811,204.72
  5. Step 5: Solve for x
    x = 411,695,811,204.72/903,040.40
  6. Step 6: Final answer
    x = 455,899.66

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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.