Finding the Fourth Proportional to 718,651.60, 1,078,725.08 and 529,325.75
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Solution
The fourth proportional to 718,651.60, 1,078,725.08 and 529,325.75 is: 794,539.33
Step by Step Solution
- Step 1: Write the proportion equation
718,651.60 : 1,078,725.08 = 529,325.75 : x - Step 2: Convert to fraction form
718,651.60/1,078,725.08 = 529,325.75/x - Step 3: Cross multiply
718,651.60x = 1,078,725.08 × 529,325.75 - Step 4: Simplify right side
718,651.60x = 570,996,962,014.81 - Step 5: Solve for x
x = 570,996,962,014.81/718,651.60 - Step 6: Final answer
x = 794,539.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.