Home / 889,810.20-1,334,715.30-830,323.80

Finding the Fourth Proportional to 889,810.20, 1,334,715.30 and 830,323.80

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Solution

The fourth proportional to 889,810.20, 1,334,715.30 and 830,323.80 is: 1,245,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,810.20 : 1,334,715.30 = 830,323.80 : x
  2. Step 2: Convert to fraction form
    889,810.20/1,334,715.30 = 830,323.80/x
  3. Step 3: Cross multiply
    889,810.20x = 1,334,715.30 × 830,323.80
  4. Step 4: Simplify right side
    889,810.20x = 1,108,245,879,814.14
  5. Step 5: Solve for x
    x = 1,108,245,879,814.14/889,810.20
  6. Step 6: Final answer
    x = 1,245,485.70

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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.