Finding the Fourth Proportional to 688,245.08, 949,751.81 and 382,340.70
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Solution
The fourth proportional to 688,245.08, 949,751.81 and 382,340.70 is: 527,615.50
Step by Step Solution
- Step 1: Write the proportion equation
688,245.08 : 949,751.81 = 382,340.70 : x - Step 2: Convert to fraction form
688,245.08/949,751.81 = 382,340.70/x - Step 3: Cross multiply
688,245.08x = 949,751.81 × 382,340.70 - Step 4: Simplify right side
688,245.08x = 363,128,772,060.10 - Step 5: Solve for x
x = 363,128,772,060.10/688,245.08 - Step 6: Final answer
x = 527,615.50
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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.