Finding the Fourth Proportional to 913,059.60, 1,368,467.68 and 512,859.12
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Solution
The fourth proportional to 913,059.60, 1,368,467.68 and 512,859.12 is: 768,658.62
Step by Step Solution
- Step 1: Write the proportion equation
913,059.60 : 1,368,467.68 = 512,859.12 : x - Step 2: Convert to fraction form
913,059.60/1,368,467.68 = 512,859.12/x - Step 3: Cross multiply
913,059.60x = 1,368,467.68 × 512,859.12 - Step 4: Simplify right side
913,059.60x = 701,831,130,113.24 - Step 5: Solve for x
x = 701,831,130,113.24/913,059.60 - Step 6: Final answer
x = 768,658.62
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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.