Finding the Fourth Proportional to 751,815.63, 1,037,501.06 and 407,648.12
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Solution
The fourth proportional to 751,815.63, 1,037,501.06 and 407,648.12 is: 562,551.95
Step by Step Solution
- Step 1: Write the proportion equation
751,815.63 : 1,037,501.06 = 407,648.12 : x - Step 2: Convert to fraction form
751,815.63/1,037,501.06 = 407,648.12/x - Step 3: Cross multiply
751,815.63x = 1,037,501.06 × 407,648.12 - Step 4: Simplify right side
751,815.63x = 422,935,349,381.26 - Step 5: Solve for x
x = 422,935,349,381.26/751,815.63 - Step 6: Final answer
x = 562,551.95
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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.