Finding the Fourth Proportional to 751,984.62, 1,037,731.69 and 407,828.14
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Solution
The fourth proportional to 751,984.62, 1,037,731.69 and 407,828.14 is: 562,798.99
Step by Step Solution
- Step 1: Write the proportion equation
751,984.62 : 1,037,731.69 = 407,828.14 : x - Step 2: Convert to fraction form
751,984.62/1,037,731.69 = 407,828.14/x - Step 3: Cross multiply
751,984.62x = 1,037,731.69 × 407,828.14 - Step 4: Simplify right side
751,984.62x = 423,216,184,951.76 - Step 5: Solve for x
x = 423,216,184,951.76/751,984.62 - Step 6: Final answer
x = 562,798.99
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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.