Home / 709,230.80-1,063,846.20-681,237.20

Finding the Fourth Proportional to 709,230.80, 1,063,846.20 and 681,237.20

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Solution

The fourth proportional to 709,230.80, 1,063,846.20 and 681,237.20 is: 1,021,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,230.80 : 1,063,846.20 = 681,237.20 : x
  2. Step 2: Convert to fraction form
    709,230.80/1,063,846.20 = 681,237.20/x
  3. Step 3: Cross multiply
    709,230.80x = 1,063,846.20 × 681,237.20
  4. Step 4: Simplify right side
    709,230.80x = 724,731,606,518.64
  5. Step 5: Solve for x
    x = 724,731,606,518.64/709,230.80
  6. Step 6: Final answer
    x = 1,021,855.80

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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.