Finding the Fourth Proportional to 893,346.40, 1,232,872.68 and 511,364.08
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Solution
The fourth proportional to 893,346.40, 1,232,872.68 and 511,364.08 is: 705,713.71
Step by Step Solution
- Step 1: Write the proportion equation
893,346.40 : 1,232,872.68 = 511,364.08 : x - Step 2: Convert to fraction form
893,346.40/1,232,872.68 = 511,364.08/x - Step 3: Cross multiply
893,346.40x = 1,232,872.68 × 511,364.08 - Step 4: Simplify right side
893,346.40x = 630,446,803,765.33 - Step 5: Solve for x
x = 630,446,803,765.33/893,346.40 - Step 6: Final answer
x = 705,713.71
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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.