Finding the Fourth Proportional to 642,230.36, 885,437.69 and 552,549.66
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Solution
The fourth proportional to 642,230.36, 885,437.69 and 552,549.66 is: 761,795.65
Step by Step Solution
- Step 1: Write the proportion equation
642,230.36 : 885,437.69 = 552,549.66 : x - Step 2: Convert to fraction form
642,230.36/885,437.69 = 552,549.66/x - Step 3: Cross multiply
642,230.36x = 885,437.69 × 552,549.66 - Step 4: Simplify right side
642,230.36x = 489,248,294,560.69 - Step 5: Solve for x
x = 489,248,294,560.69/642,230.36 - Step 6: Final answer
x = 761,795.65
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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.