Finding the Fourth Proportional to 778,582.63, 1,168,046.93 and 238,913.96
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Solution
The fourth proportional to 778,582.63, 1,168,046.93 and 238,913.96 is: 358,424.01
Step by Step Solution
- Step 1: Write the proportion equation
778,582.63 : 1,168,046.93 = 238,913.96 : x - Step 2: Convert to fraction form
778,582.63/1,168,046.93 = 238,913.96/x - Step 3: Cross multiply
778,582.63x = 1,168,046.93 × 238,913.96 - Step 4: Simplify right side
778,582.63x = 279,062,712,269.19 - Step 5: Solve for x
x = 279,062,712,269.19/778,582.63 - Step 6: Final answer
x = 358,424.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.