Finding the Fourth Proportional to 551,473.80, 827,210.70 and 440,881.80
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Solution
The fourth proportional to 551,473.80, 827,210.70 and 440,881.80 is: 661,322.70
Step by Step Solution
- Step 1: Write the proportion equation
551,473.80 : 827,210.70 = 440,881.80 : x - Step 2: Convert to fraction form
551,473.80/827,210.70 = 440,881.80/x - Step 3: Cross multiply
551,473.80x = 827,210.70 × 440,881.80 - Step 4: Simplify right side
551,473.80x = 364,702,142,395.26 - Step 5: Solve for x
x = 364,702,142,395.26/551,473.80 - Step 6: Final answer
x = 661,322.70
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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.