Finding the Fourth Proportional to 858,995.97, 1,185,428.66 and 471,847.17
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Solution
The fourth proportional to 858,995.97, 1,185,428.66 and 471,847.17 is: 651,156.91
Step by Step Solution
- Step 1: Write the proportion equation
858,995.97 : 1,185,428.66 = 471,847.17 : x - Step 2: Convert to fraction form
858,995.97/1,185,428.66 = 471,847.17/x - Step 3: Cross multiply
858,995.97x = 1,185,428.66 × 471,847.17 - Step 4: Simplify right side
858,995.97x = 559,341,158,457.89 - Step 5: Solve for x
x = 559,341,158,457.89/858,995.97 - Step 6: Final answer
x = 651,156.91
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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.