Home / 919,839.76-1,379,654.52-245,973.60

Finding the Fourth Proportional to 919,839.76, 1,379,654.52 and 245,973.60

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Solution

The fourth proportional to 919,839.76, 1,379,654.52 and 245,973.60 is: 368,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,839.76 : 1,379,654.52 = 245,973.60 : x
  2. Step 2: Convert to fraction form
    919,839.76/1,379,654.52 = 245,973.60/x
  3. Step 3: Cross multiply
    919,839.76x = 1,379,654.52 × 245,973.60
  4. Step 4: Simplify right side
    919,839.76x = 339,358,588,118.27
  5. Step 5: Solve for x
    x = 339,358,588,118.27/919,839.76
  6. Step 6: Final answer
    x = 368,932.29

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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.