Finding the Fourth Proportional to 778,233.54, 1,073,553.87 and 633,201.53
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Solution
The fourth proportional to 778,233.54, 1,073,553.87 and 633,201.53 is: 873,485.80
Step by Step Solution
- Step 1: Write the proportion equation
778,233.54 : 1,073,553.87 = 633,201.53 : x - Step 2: Convert to fraction form
778,233.54/1,073,553.87 = 633,201.53/x - Step 3: Cross multiply
778,233.54x = 1,073,553.87 × 633,201.53 - Step 4: Simplify right side
778,233.54x = 679,775,946,466.40 - Step 5: Solve for x
x = 679,775,946,466.40/778,233.54 - Step 6: Final answer
x = 873,485.80
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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.