Home / 715,266.40-1,072,510.80-294,584.80

Finding the Fourth Proportional to 715,266.40, 1,072,510.80 and 294,584.80

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Solution

The fourth proportional to 715,266.40, 1,072,510.80 and 294,584.80 is: 441,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,266.40 : 1,072,510.80 = 294,584.80 : x
  2. Step 2: Convert to fraction form
    715,266.40/1,072,510.80 = 294,584.80/x
  3. Step 3: Cross multiply
    715,266.40x = 1,072,510.80 × 294,584.80
  4. Step 4: Simplify right side
    715,266.40x = 315,945,379,515.84
  5. Step 5: Solve for x
    x = 315,945,379,515.84/715,266.40
  6. Step 6: Final answer
    x = 441,717.07

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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.