Finding the Fourth Proportional to 708,628.42, 1,062,381.30 and 353,459.62
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Solution
The fourth proportional to 708,628.42, 1,062,381.30 and 353,459.62 is: 529,909.44
Step by Step Solution
- Step 1: Write the proportion equation
708,628.42 : 1,062,381.30 = 353,459.62 : x - Step 2: Convert to fraction form
708,628.42/1,062,381.30 = 353,459.62/x - Step 3: Cross multiply
708,628.42x = 1,062,381.30 × 353,459.62 - Step 4: Simplify right side
708,628.42x = 375,508,890,593.11 - Step 5: Solve for x
x = 375,508,890,593.11/708,628.42 - Step 6: Final answer
x = 529,909.44
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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.