Finding the Fourth Proportional to 589,725.36, 812,305.26 and 417,346.02
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Solution
The fourth proportional to 589,725.36, 812,305.26 and 417,346.02 is: 574,864.83
Step by Step Solution
- Step 1: Write the proportion equation
589,725.36 : 812,305.26 = 417,346.02 : x - Step 2: Convert to fraction form
589,725.36/812,305.26 = 417,346.02/x - Step 3: Cross multiply
589,725.36x = 812,305.26 × 417,346.02 - Step 4: Simplify right side
589,725.36x = 339,012,367,286.07 - Step 5: Solve for x
x = 339,012,367,286.07/589,725.36 - Step 6: Final answer
x = 574,864.83
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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.