Finding the Fourth Proportional to 858,542.84, 1,184,793.70 and 536,439.72
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Solution
The fourth proportional to 858,542.84, 1,184,793.70 and 536,439.72 is: 740,289.68
Step by Step Solution
- Step 1: Write the proportion equation
858,542.84 : 1,184,793.70 = 536,439.72 : x - Step 2: Convert to fraction form
858,542.84/1,184,793.70 = 536,439.72/x - Step 3: Cross multiply
858,542.84x = 1,184,793.70 × 536,439.72 - Step 4: Simplify right side
858,542.84x = 635,570,400,685.76 - Step 5: Solve for x
x = 635,570,400,685.76/858,542.84 - Step 6: Final answer
x = 740,289.68
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1.5x scale
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.