Finding the Fourth Proportional to 915,177.26, 1,371,949.41 and 465,646.70
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Solution
The fourth proportional to 915,177.26, 1,371,949.41 and 465,646.70 is: 698,054.62
Step by Step Solution
- Step 1: Write the proportion equation
915,177.26 : 1,371,949.41 = 465,646.70 : x - Step 2: Convert to fraction form
915,177.26/1,371,949.41 = 465,646.70/x - Step 3: Cross multiply
915,177.26x = 1,371,949.41 × 465,646.70 - Step 4: Simplify right side
915,177.26x = 638,843,715,333.45 - Step 5: Solve for x
x = 638,843,715,333.45/915,177.26 - Step 6: Final answer
x = 698,054.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.