Finding the Fourth Proportional to 993,948.36, 1,371,706.50 and 748,493.70
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Solution
The fourth proportional to 993,948.36, 1,371,706.50 and 748,493.70 is: 1,032,964.80
Step by Step Solution
- Step 1: Write the proportion equation
993,948.36 : 1,371,706.50 = 748,493.70 : x - Step 2: Convert to fraction form
993,948.36/1,371,706.50 = 748,493.70/x - Step 3: Cross multiply
993,948.36x = 1,371,706.50 × 748,493.70 - Step 4: Simplify right side
993,948.36x = 1,026,713,673,499.05 - Step 5: Solve for x
x = 1,026,713,673,499.05/993,948.36 - Step 6: Final answer
x = 1,032,964.80
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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.