Home / 679,300.80-1,018,918.80-229,977.60

Finding the Fourth Proportional to 679,300.80, 1,018,918.80 and 229,977.60

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Solution

The fourth proportional to 679,300.80, 1,018,918.80 and 229,977.60 is: 344,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,300.80 : 1,018,918.80 = 229,977.60 : x
  2. Step 2: Convert to fraction form
    679,300.80/1,018,918.80 = 229,977.60/x
  3. Step 3: Cross multiply
    679,300.80x = 1,018,918.80 × 229,977.60
  4. Step 4: Simplify right side
    679,300.80x = 234,328,500,218.88
  5. Step 5: Solve for x
    x = 234,328,500,218.88/679,300.80
  6. Step 6: Final answer
    x = 344,955.43

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1.5x scale

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.