Finding the Fourth Proportional to 671,408.16, 926,533.73 and 365,487.08
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Solution
The fourth proportional to 671,408.16, 926,533.73 and 365,487.08 is: 504,366.97
Step by Step Solution
- Step 1: Write the proportion equation
671,408.16 : 926,533.73 = 365,487.08 : x - Step 2: Convert to fraction form
671,408.16/926,533.73 = 365,487.08/x - Step 3: Cross multiply
671,408.16x = 926,533.73 × 365,487.08 - Step 4: Simplify right side
671,408.16x = 338,636,101,039.10 - Step 5: Solve for x
x = 338,636,101,039.10/671,408.16 - Step 6: Final answer
x = 504,366.97
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1.5x scale
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.