Finding the Fourth Proportional to 783,506.74, 1,081,463.52 and 461,403.68
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Solution
The fourth proportional to 783,506.74, 1,081,463.52 and 461,403.68 is: 636,869.12
Step by Step Solution
- Step 1: Write the proportion equation
783,506.74 : 1,081,463.52 = 461,403.68 : x - Step 2: Convert to fraction form
783,506.74/1,081,463.52 = 461,403.68/x - Step 3: Cross multiply
783,506.74x = 1,081,463.52 × 461,403.68 - Step 4: Simplify right side
783,506.74x = 498,991,247,913.75 - Step 5: Solve for x
x = 498,991,247,913.75/783,506.74 - Step 6: Final answer
x = 636,869.12
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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.