Finding the Fourth Proportional to 505,768.08, 697,980.06 and 290,908.02
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Solution
The fourth proportional to 505,768.08, 697,980.06 and 290,908.02 is: 401,464.63
Step by Step Solution
- Step 1: Write the proportion equation
505,768.08 : 697,980.06 = 290,908.02 : x - Step 2: Convert to fraction form
505,768.08/697,980.06 = 290,908.02/x - Step 3: Cross multiply
505,768.08x = 697,980.06 × 290,908.02 - Step 4: Simplify right side
505,768.08x = 203,047,997,254.08 - Step 5: Solve for x
x = 203,047,997,254.08/505,768.08 - Step 6: Final answer
x = 401,464.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.