Finding the Fourth Proportional to 815,734.48, 1,125,848.41 and 679,552.72
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Solution
The fourth proportional to 815,734.48, 1,125,848.41 and 679,552.72 is: 937,895.07
Step by Step Solution
- Step 1: Write the proportion equation
815,734.48 : 1,125,848.41 = 679,552.72 : x - Step 2: Convert to fraction form
815,734.48/1,125,848.41 = 679,552.72/x - Step 3: Cross multiply
815,734.48x = 1,125,848.41 × 679,552.72 - Step 4: Simplify right side
815,734.48x = 765,073,349,323.18 - Step 5: Solve for x
x = 765,073,349,323.18/815,734.48 - Step 6: Final answer
x = 937,895.07
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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.