Finding the Fourth Proportional to 520,968.24, 776,770.94 and 476,484.08
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Solution
The fourth proportional to 520,968.24, 776,770.94 and 476,484.08 is: 710,444.43
Step by Step Solution
- Step 1: Write the proportion equation
520,968.24 : 776,770.94 = 476,484.08 : x - Step 2: Convert to fraction form
520,968.24/776,770.94 = 476,484.08/x - Step 3: Cross multiply
520,968.24x = 776,770.94 × 476,484.08 - Step 4: Simplify right side
520,968.24x = 370,118,986,716.64 - Step 5: Solve for x
x = 370,118,986,716.64/520,968.24 - Step 6: Final answer
x = 710,444.43
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.