Home / 679,905.44-1,019,974.80-364,277.60

Finding the Fourth Proportional to 679,905.44, 1,019,974.80 and 364,277.60

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Solution

The fourth proportional to 679,905.44, 1,019,974.80 and 364,277.60 is: 546,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,905.44 : 1,019,974.80 = 364,277.60 : x
  2. Step 2: Convert to fraction form
    679,905.44/1,019,974.80 = 364,277.60/x
  3. Step 3: Cross multiply
    679,905.44x = 1,019,974.80 × 364,277.60
  4. Step 4: Simplify right side
    679,905.44x = 371,553,972,204.48
  5. Step 5: Solve for x
    x = 371,553,972,204.48/679,905.44
  6. Step 6: Final answer
    x = 546,478.89

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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.