Finding the Fourth Proportional to 521,888.64, 720,206.28 and 295,577.88
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Solution
The fourth proportional to 521,888.64, 720,206.28 and 295,577.88 is: 407,897.45
Step by Step Solution
- Step 1: Write the proportion equation
521,888.64 : 720,206.28 = 295,577.88 : x - Step 2: Convert to fraction form
521,888.64/720,206.28 = 295,577.88/x - Step 3: Cross multiply
521,888.64x = 720,206.28 × 295,577.88 - Step 4: Simplify right side
521,888.64x = 212,877,045,405.09 - Step 5: Solve for x
x = 212,877,045,405.09/521,888.64 - Step 6: Final answer
x = 407,897.45
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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.