Finding the Fourth Proportional to 778,593.62, 1,167,176.92 and 272,878.93
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Solution
The fourth proportional to 778,593.62, 1,167,176.92 and 272,878.93 is: 409,068.32
Step by Step Solution
- Step 1: Write the proportion equation
778,593.62 : 1,167,176.92 = 272,878.93 : x - Step 2: Convert to fraction form
778,593.62/1,167,176.92 = 272,878.93/x - Step 3: Cross multiply
778,593.62x = 1,167,176.92 × 272,878.93 - Step 4: Simplify right side
778,593.62x = 318,497,983,005.88 - Step 5: Solve for x
x = 318,497,983,005.88/778,593.62 - Step 6: Final answer
x = 409,068.32
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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.