Finding the Fourth Proportional to 577,238.68, 861,630.92 and 509,063.08
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Solution
The fourth proportional to 577,238.68, 861,630.92 and 509,063.08 is: 759,866.77
Step by Step Solution
- Step 1: Write the proportion equation
577,238.68 : 861,630.92 = 509,063.08 : x - Step 2: Convert to fraction form
577,238.68/861,630.92 = 509,063.08/x - Step 3: Cross multiply
577,238.68x = 861,630.92 × 509,063.08 - Step 4: Simplify right side
577,238.68x = 438,624,489,958.43 - Step 5: Solve for x
x = 438,624,489,958.43/577,238.68 - Step 6: Final answer
x = 759,866.77
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.