Home / 919,883.81-1,379,741.13-245,940.96

Finding the Fourth Proportional to 919,883.81, 1,379,741.13 and 245,940.96

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Solution

The fourth proportional to 919,883.81, 1,379,741.13 and 245,940.96 is: 368,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,883.81 : 1,379,741.13 = 245,940.96 : x
  2. Step 2: Convert to fraction form
    919,883.81/1,379,741.13 = 245,940.96/x
  3. Step 3: Cross multiply
    919,883.81x = 1,379,741.13 × 245,940.96
  4. Step 4: Simplify right side
    919,883.81x = 339,334,858,063.69
  5. Step 5: Solve for x
    x = 339,334,858,063.69/919,883.81
  6. Step 6: Final answer
    x = 368,888.82

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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.