Finding the Fourth Proportional to 762,760.08, 1,052,585.19 and 418,587.15
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Solution
The fourth proportional to 762,760.08, 1,052,585.19 and 418,587.15 is: 577,637.26
Step by Step Solution
- Step 1: Write the proportion equation
762,760.08 : 1,052,585.19 = 418,587.15 : x - Step 2: Convert to fraction form
762,760.08/1,052,585.19 = 418,587.15/x - Step 3: Cross multiply
762,760.08x = 1,052,585.19 × 418,587.15 - Step 4: Simplify right side
762,760.08x = 440,598,637,445.77 - Step 5: Solve for x
x = 440,598,637,445.77/762,760.08 - Step 6: Final answer
x = 577,637.26
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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.