Finding the Fourth Proportional to 552,083.12, 761,901.74 and 310,441.49
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Solution
The fourth proportional to 552,083.12, 761,901.74 and 310,441.49 is: 428,424.46
Step by Step Solution
- Step 1: Write the proportion equation
552,083.12 : 761,901.74 = 310,441.49 : x - Step 2: Convert to fraction form
552,083.12/761,901.74 = 310,441.49/x - Step 3: Cross multiply
552,083.12x = 761,901.74 × 310,441.49 - Step 4: Simplify right side
552,083.12x = 236,525,911,399.19 - Step 5: Solve for x
x = 236,525,911,399.19/552,083.12 - Step 6: Final answer
x = 428,424.46
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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.