Home / 919,848.87-1,379,668.16-245,982.71

Finding the Fourth Proportional to 919,848.87, 1,379,668.16 and 245,982.71

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Solution

The fourth proportional to 919,848.87, 1,379,668.16 and 245,982.71 is: 368,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,848.87 : 1,379,668.16 = 245,982.71 : x
  2. Step 2: Convert to fraction form
    919,848.87/1,379,668.16 = 245,982.71/x
  3. Step 3: Cross multiply
    919,848.87x = 1,379,668.16 × 245,982.71
  4. Step 4: Simplify right side
    919,848.87x = 339,374,512,897.51
  5. Step 5: Solve for x
    x = 339,374,512,897.51/919,848.87
  6. Step 6: Final answer
    x = 368,945.95

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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.