Finding the Fourth Proportional to 787,157.98, 1,181,276.22 and 274,823.18
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Solution
The fourth proportional to 787,157.98, 1,181,276.22 and 274,823.18 is: 412,423.04
Step by Step Solution
- Step 1: Write the proportion equation
787,157.98 : 1,181,276.22 = 274,823.18 : x - Step 2: Convert to fraction form
787,157.98/1,181,276.22 = 274,823.18/x - Step 3: Cross multiply
787,157.98x = 1,181,276.22 × 274,823.18 - Step 4: Simplify right side
787,157.98x = 324,642,087,238.78 - Step 5: Solve for x
x = 324,642,087,238.78/787,157.98 - Step 6: Final answer
x = 412,423.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.