Finding the Fourth Proportional to 688,247.08, 949,754.57 and 382,342.70
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Solution
The fourth proportional to 688,247.08, 949,754.57 and 382,342.70 is: 527,618.26
Step by Step Solution
- Step 1: Write the proportion equation
688,247.08 : 949,754.57 = 382,342.70 : x - Step 2: Convert to fraction form
688,247.08/949,754.57 = 382,342.70/x - Step 3: Cross multiply
688,247.08x = 949,754.57 × 382,342.70 - Step 4: Simplify right side
688,247.08x = 363,131,726,631.14 - Step 5: Solve for x
x = 363,131,726,631.14/688,247.08 - Step 6: Final answer
x = 527,618.26
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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.