Finding the Fourth Proportional to 839,864.08, 1,260,318.56 and 341,228.08
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Solution
The fourth proportional to 839,864.08, 1,260,318.56 and 341,228.08 is: 512,054.38
Step by Step Solution
- Step 1: Write the proportion equation
839,864.08 : 1,260,318.56 = 341,228.08 : x - Step 2: Convert to fraction form
839,864.08/1,260,318.56 = 341,228.08/x - Step 3: Cross multiply
839,864.08x = 1,260,318.56 × 341,228.08 - Step 4: Simplify right side
839,864.08x = 430,056,077,560.23 - Step 5: Solve for x
x = 430,056,077,560.23/839,864.08 - Step 6: Final answer
x = 512,054.38
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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.