Finding the Fourth Proportional to 851,577.84, 1,175,235.48 and 493,881.84
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Solution
The fourth proportional to 851,577.84, 1,175,235.48 and 493,881.84 is: 681,590.61
Step by Step Solution
- Step 1: Write the proportion equation
851,577.84 : 1,175,235.48 = 493,881.84 : x - Step 2: Convert to fraction form
851,577.84/1,175,235.48 = 493,881.84/x - Step 3: Cross multiply
851,577.84x = 1,175,235.48 × 493,881.84 - Step 4: Simplify right side
851,577.84x = 580,427,461,295.68 - Step 5: Solve for x
x = 580,427,461,295.68/851,577.84 - Step 6: Final answer
x = 681,590.61
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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.