Finding the Fourth Proportional to 704,927.70, 972,805.14 and 382,637.79
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Solution
The fourth proportional to 704,927.70, 972,805.14 and 382,637.79 is: 528,042.82
Step by Step Solution
- Step 1: Write the proportion equation
704,927.70 : 972,805.14 = 382,637.79 : x - Step 2: Convert to fraction form
704,927.70/972,805.14 = 382,637.79/x - Step 3: Cross multiply
704,927.70x = 972,805.14 × 382,637.79 - Step 4: Simplify right side
704,927.70x = 372,232,008,870.24 - Step 5: Solve for x
x = 372,232,008,870.24/704,927.70 - Step 6: Final answer
x = 528,042.82
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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.