Finding the Fourth Proportional to 971,682.36, 1,341,351.62 and 627,685.99
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Solution
The fourth proportional to 971,682.36, 1,341,351.62 and 627,685.99 is: 866,484.41
Step by Step Solution
- Step 1: Write the proportion equation
971,682.36 : 1,341,351.62 = 627,685.99 : x - Step 2: Convert to fraction form
971,682.36/1,341,351.62 = 627,685.99/x - Step 3: Cross multiply
971,682.36x = 1,341,351.62 × 627,685.99 - Step 4: Simplify right side
971,682.36x = 841,947,613,046.00 - Step 5: Solve for x
x = 841,947,613,046.00/971,682.36 - Step 6: Final answer
x = 866,484.41
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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.