Finding the Fourth Proportional to 753,552.08, 1,129,365.02 and 353,310.02
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Solution
The fourth proportional to 753,552.08, 1,129,365.02 and 353,310.02 is: 529,513.47
Step by Step Solution
- Step 1: Write the proportion equation
753,552.08 : 1,129,365.02 = 353,310.02 : x - Step 2: Convert to fraction form
753,552.08/1,129,365.02 = 353,310.02/x - Step 3: Cross multiply
753,552.08x = 1,129,365.02 × 353,310.02 - Step 4: Simplify right side
753,552.08x = 399,015,977,803.50 - Step 5: Solve for x
x = 399,015,977,803.50/753,552.08 - Step 6: Final answer
x = 529,513.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.