Finding the Fourth Proportional to 762,690.27, 1,052,509.71 and 418,532.00
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Solution
The fourth proportional to 762,690.27, 1,052,509.71 and 418,532.00 is: 577,572.58
Step by Step Solution
- Step 1: Write the proportion equation
762,690.27 : 1,052,509.71 = 418,532.00 : x - Step 2: Convert to fraction form
762,690.27/1,052,509.71 = 418,532.00/x - Step 3: Cross multiply
762,690.27x = 1,052,509.71 × 418,532.00 - Step 4: Simplify right side
762,690.27x = 440,508,988,683.17 - Step 5: Solve for x
x = 440,508,988,683.17/762,690.27 - Step 6: Final answer
x = 577,572.58
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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.