Finding the Fourth Proportional to 879,577.60, 1,317,811.20 and 780,044.80
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Solution
The fourth proportional to 879,577.60, 1,317,811.20 and 780,044.80 is: 1,168,687.99
Step by Step Solution
- Step 1: Write the proportion equation
879,577.60 : 1,317,811.20 = 780,044.80 : x - Step 2: Convert to fraction form
879,577.60/1,317,811.20 = 780,044.80/x - Step 3: Cross multiply
879,577.60x = 1,317,811.20 × 780,044.80 - Step 4: Simplify right side
879,577.60x = 1,027,951,773,941.76 - Step 5: Solve for x
x = 1,027,951,773,941.76/879,577.60 - Step 6: Final answer
x = 1,168,687.99
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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.