Finding the Fourth Proportional to 695,381.18, 959,546.66 and 389,415.02
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Solution
The fourth proportional to 695,381.18, 959,546.66 and 389,415.02 is: 537,348.28
Step by Step Solution
- Step 1: Write the proportion equation
695,381.18 : 959,546.66 = 389,415.02 : x - Step 2: Convert to fraction form
695,381.18/959,546.66 = 389,415.02/x - Step 3: Cross multiply
695,381.18x = 959,546.66 × 389,415.02 - Step 4: Simplify right side
695,381.18x = 373,661,881,794.83 - Step 5: Solve for x
x = 373,661,881,794.83/695,381.18 - Step 6: Final answer
x = 537,348.28
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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.