Finding the Fourth Proportional to 528,523.68, 729,968.64 and 348,042.72
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Solution
The fourth proportional to 528,523.68, 729,968.64 and 348,042.72 is: 480,697.99
Step by Step Solution
- Step 1: Write the proportion equation
528,523.68 : 729,968.64 = 348,042.72 : x - Step 2: Convert to fraction form
528,523.68/729,968.64 = 348,042.72/x - Step 3: Cross multiply
528,523.68x = 729,968.64 × 348,042.72 - Step 4: Simplify right side
528,523.68x = 254,060,270,980.30 - Step 5: Solve for x
x = 254,060,270,980.30/528,523.68 - Step 6: Final answer
x = 480,697.99
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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.