Finding the Fourth Proportional to 877,751.87, 1,316,492.98 and 278,635.19
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Solution
The fourth proportional to 877,751.87, 1,316,492.98 and 278,635.19 is: 417,909.99
Step by Step Solution
- Step 1: Write the proportion equation
877,751.87 : 1,316,492.98 = 278,635.19 : x - Step 2: Convert to fraction form
877,751.87/1,316,492.98 = 278,635.19/x - Step 3: Cross multiply
877,751.87x = 1,316,492.98 × 278,635.19 - Step 4: Simplify right side
877,751.87x = 366,821,271,615.97 - Step 5: Solve for x
x = 366,821,271,615.97/877,751.87 - Step 6: Final answer
x = 417,909.99
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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.