Finding the Fourth Proportional to 752,464.42, 1,128,693.54 and 272,579.86
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Solution
The fourth proportional to 752,464.42, 1,128,693.54 and 272,579.86 is: 408,868.67
Step by Step Solution
- Step 1: Write the proportion equation
752,464.42 : 1,128,693.54 = 272,579.86 : x - Step 2: Convert to fraction form
752,464.42/1,128,693.54 = 272,579.86/x - Step 3: Cross multiply
752,464.42x = 1,128,693.54 × 272,579.86 - Step 4: Simplify right side
752,464.42x = 307,659,124,294.37 - Step 5: Solve for x
x = 307,659,124,294.37/752,464.42 - Step 6: Final answer
x = 408,868.67
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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.