Home / 807,852.80-1,211,779.20-683,436.80

Finding the Fourth Proportional to 807,852.80, 1,211,779.20 and 683,436.80

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Solution

The fourth proportional to 807,852.80, 1,211,779.20 and 683,436.80 is: 1,025,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,852.80 : 1,211,779.20 = 683,436.80 : x
  2. Step 2: Convert to fraction form
    807,852.80/1,211,779.20 = 683,436.80/x
  3. Step 3: Cross multiply
    807,852.80x = 1,211,779.20 × 683,436.80
  4. Step 4: Simplify right side
    807,852.80x = 828,174,498,754.56
  5. Step 5: Solve for x
    x = 828,174,498,754.56/807,852.80
  6. Step 6: Final answer
    x = 1,025,155.20

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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.