Finding the Fourth Proportional to 778,727.16, 1,168,083.36 and 246,248.28
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Solution
The fourth proportional to 778,727.16, 1,168,083.36 and 246,248.28 is: 369,370.09
Step by Step Solution
- Step 1: Write the proportion equation
778,727.16 : 1,168,083.36 = 246,248.28 : x - Step 2: Convert to fraction form
778,727.16/1,168,083.36 = 246,248.28/x - Step 3: Cross multiply
778,727.16x = 1,168,083.36 × 246,248.28 - Step 4: Simplify right side
778,727.16x = 287,638,518,296.62 - Step 5: Solve for x
x = 287,638,518,296.62/778,727.16 - Step 6: Final answer
x = 369,370.09
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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.