Finding the Fourth Proportional to 688,255.08, 949,765.62 and 382,350.70
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Solution
The fourth proportional to 688,255.08, 949,765.62 and 382,350.70 is: 527,629.31
Step by Step Solution
- Step 1: Write the proportion equation
688,255.08 : 949,765.62 = 382,350.70 : x - Step 2: Convert to fraction form
688,255.08/949,765.62 = 382,350.70/x - Step 3: Cross multiply
688,255.08x = 949,765.62 × 382,350.70 - Step 4: Simplify right side
688,255.08x = 363,143,549,642.93 - Step 5: Solve for x
x = 363,143,549,642.93/688,255.08 - Step 6: Final answer
x = 527,629.31
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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.