Finding the Fourth Proportional to 520,695.12, 718,625.74 and 291,265.15
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Solution
The fourth proportional to 520,695.12, 718,625.74 and 291,265.15 is: 401,983.09
Step by Step Solution
- Step 1: Write the proportion equation
520,695.12 : 718,625.74 = 291,265.15 : x - Step 2: Convert to fraction form
520,695.12/718,625.74 = 291,265.15/x - Step 3: Cross multiply
520,695.12x = 718,625.74 × 291,265.15 - Step 4: Simplify right side
520,695.12x = 209,310,628,905.51 - Step 5: Solve for x
x = 209,310,628,905.51/520,695.12 - Step 6: Final answer
x = 401,983.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.