Finding the Fourth Proportional to 782,540.02, 1,079,945.36 and 438,355.23
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Solution
The fourth proportional to 782,540.02, 1,079,945.36 and 438,355.23 is: 604,952.70
Step by Step Solution
- Step 1: Write the proportion equation
782,540.02 : 1,079,945.36 = 438,355.23 : x - Step 2: Convert to fraction form
782,540.02/1,079,945.36 = 438,355.23/x - Step 3: Cross multiply
782,540.02x = 1,079,945.36 × 438,355.23 - Step 4: Simplify right side
782,540.02x = 473,399,696,670.23 - Step 5: Solve for x
x = 473,399,696,670.23/782,540.02 - Step 6: Final answer
x = 604,952.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.