Finding the Fourth Proportional to 879,533.60, 1,317,745.20 and 780,000.80
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Solution
The fourth proportional to 879,533.60, 1,317,745.20 and 780,000.80 is: 1,168,621.99
Step by Step Solution
- Step 1: Write the proportion equation
879,533.60 : 1,317,745.20 = 780,000.80 : x - Step 2: Convert to fraction form
879,533.60/1,317,745.20 = 780,000.80/x - Step 3: Cross multiply
879,533.60x = 1,317,745.20 × 780,000.80 - Step 4: Simplify right side
879,533.60x = 1,027,842,310,196.16 - Step 5: Solve for x
x = 1,027,842,310,196.16/879,533.60 - Step 6: Final answer
x = 1,168,621.99
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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.