Finding the Fourth Proportional to 860,271.68, 1,187,044.96 and 492,691.68
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Solution
The fourth proportional to 860,271.68, 1,187,044.96 and 492,691.68 is: 679,840.09
Step by Step Solution
- Step 1: Write the proportion equation
860,271.68 : 1,187,044.96 = 492,691.68 : x - Step 2: Convert to fraction form
860,271.68/1,187,044.96 = 492,691.68/x - Step 3: Cross multiply
860,271.68x = 1,187,044.96 × 492,691.68 - Step 4: Simplify right side
860,271.68x = 584,847,175,577.93 - Step 5: Solve for x
x = 584,847,175,577.93/860,271.68 - Step 6: Final answer
x = 679,840.09
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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.