Finding the Fourth Proportional to 683,944.08, 943,823.52 and 382,138.08
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Solution
The fourth proportional to 683,944.08, 943,823.52 and 382,138.08 is: 527,339.76
Step by Step Solution
- Step 1: Write the proportion equation
683,944.08 : 943,823.52 = 382,138.08 : x - Step 2: Convert to fraction form
683,944.08/943,823.52 = 382,138.08/x - Step 3: Cross multiply
683,944.08x = 943,823.52 × 382,138.08 - Step 4: Simplify right side
683,944.08x = 360,670,907,791.64 - Step 5: Solve for x
x = 360,670,907,791.64/683,944.08 - Step 6: Final answer
x = 527,339.76
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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.