Home / 481,015.40-723,272.70-470,517.80

Finding the Fourth Proportional to 481,015.40, 723,272.70 and 470,517.80

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Solution

The fourth proportional to 481,015.40, 723,272.70 and 470,517.80 is: 707,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,015.40 : 723,272.70 = 470,517.80 : x
  2. Step 2: Convert to fraction form
    481,015.40/723,272.70 = 470,517.80/x
  3. Step 3: Cross multiply
    481,015.40x = 723,272.70 × 470,517.80
  4. Step 4: Simplify right side
    481,015.40x = 340,312,679,604.06
  5. Step 5: Solve for x
    x = 340,312,679,604.06/481,015.40
  6. Step 6: Final answer
    x = 707,488.12

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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.