Finding the Fourth Proportional to 823,503.05, 1,136,423.06 and 460,926.80
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Solution
The fourth proportional to 823,503.05, 1,136,423.06 and 460,926.80 is: 636,072.75
Step by Step Solution
- Step 1: Write the proportion equation
823,503.05 : 1,136,423.06 = 460,926.80 : x - Step 2: Convert to fraction form
823,503.05/1,136,423.06 = 460,926.80/x - Step 3: Cross multiply
823,503.05x = 1,136,423.06 × 460,926.80 - Step 4: Simplify right side
823,503.05x = 523,807,851,480.41 - Step 5: Solve for x
x = 523,807,851,480.41/823,503.05 - Step 6: Final answer
x = 636,072.75
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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.