Home / 830,218.80-1,243,359.90-830,218.80

Finding the Fourth Proportional to 830,218.80, 1,243,359.90 and 830,218.80

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Solution

The fourth proportional to 830,218.80, 1,243,359.90 and 830,218.80 is: 1,243,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,218.80 : 1,243,359.90 = 830,218.80 : x
  2. Step 2: Convert to fraction form
    830,218.80/1,243,359.90 = 830,218.80/x
  3. Step 3: Cross multiply
    830,218.80x = 1,243,359.90 × 830,218.80
  4. Step 4: Simplify right side
    830,218.80x = 1,032,260,764,146.12
  5. Step 5: Solve for x
    x = 1,032,260,764,146.12/830,218.80
  6. Step 6: Final answer
    x = 1,243,359.90

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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.