Finding the Fourth Proportional to 551,327.40, 760,902.12 and 336,421.80
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Solution
The fourth proportional to 551,327.40, 760,902.12 and 336,421.80 is: 464,304.99
Step by Step Solution
- Step 1: Write the proportion equation
551,327.40 : 760,902.12 = 336,421.80 : x - Step 2: Convert to fraction form
551,327.40/760,902.12 = 336,421.80/x - Step 3: Cross multiply
551,327.40x = 760,902.12 × 336,421.80 - Step 4: Simplify right side
551,327.40x = 255,984,060,834.22 - Step 5: Solve for x
x = 255,984,060,834.22/551,327.40 - Step 6: Final answer
x = 464,304.99
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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.