Finding the Fourth Proportional to 939,394.50, 1,296,326.61 and 509,658.18
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Solution
The fourth proportional to 939,394.50, 1,296,326.61 and 509,658.18 is: 703,307.78
Step by Step Solution
- Step 1: Write the proportion equation
939,394.50 : 1,296,326.61 = 509,658.18 : x - Step 2: Convert to fraction form
939,394.50/1,296,326.61 = 509,658.18/x - Step 3: Cross multiply
939,394.50x = 1,296,326.61 × 509,658.18 - Step 4: Simplify right side
939,394.50x = 660,683,460,738.17 - Step 5: Solve for x
x = 660,683,460,738.17/939,394.50 - Step 6: Final answer
x = 703,307.78
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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.