Finding the Fourth Proportional to 877,723.60, 1,211,740.64 and 551,377
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Solution
The fourth proportional to 877,723.60, 1,211,740.64 and 551,377 is: 761,203.09
Step by Step Solution
- Step 1: Write the proportion equation
877,723.60 : 1,211,740.64 = 551,377 : x - Step 2: Convert to fraction form
877,723.60/1,211,740.64 = 551,377/x - Step 3: Cross multiply
877,723.60x = 1,211,740.64 × 551,377 - Step 4: Simplify right side
877,723.60x = 668,125,918,861.28 - Step 5: Solve for x
x = 668,125,918,861.28/877,723.60 - Step 6: Final answer
x = 761,203.09
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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.