Finding the Fourth Proportional to 778,763.51, 1,168,137.47 and 246,284.63
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Solution
The fourth proportional to 778,763.51, 1,168,137.47 and 246,284.63 is: 369,424.48
Step by Step Solution
- Step 1: Write the proportion equation
778,763.51 : 1,168,137.47 = 246,284.63 : x - Step 2: Convert to fraction form
778,763.51/1,168,137.47 = 246,284.63/x - Step 3: Cross multiply
778,763.51x = 1,168,137.47 × 246,284.63 - Step 4: Simplify right side
778,763.51x = 287,694,304,588.09 - Step 5: Solve for x
x = 287,694,304,588.09/778,763.51 - Step 6: Final answer
x = 369,424.48
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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.