Finding the Fourth Proportional to 813,735.60, 1,122,727.28 and 474,138.24
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Solution
The fourth proportional to 813,735.60, 1,122,727.28 and 474,138.24 is: 654,178.01
Step by Step Solution
- Step 1: Write the proportion equation
813,735.60 : 1,122,727.28 = 474,138.24 : x - Step 2: Convert to fraction form
813,735.60/1,122,727.28 = 474,138.24/x - Step 3: Cross multiply
813,735.60x = 1,122,727.28 × 474,138.24 - Step 4: Simplify right side
813,735.60x = 532,327,934,168.50 - Step 5: Solve for x
x = 532,327,934,168.50/813,735.60 - Step 6: Final answer
x = 654,178.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.