Finding the Fourth Proportional to 666,887.67, 920,304.90 and 360,963.99
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Solution
The fourth proportional to 666,887.67, 920,304.90 and 360,963.99 is: 498,130.26
Step by Step Solution
- Step 1: Write the proportion equation
666,887.67 : 920,304.90 = 360,963.99 : x - Step 2: Convert to fraction form
666,887.67/920,304.90 = 360,963.99/x - Step 3: Cross multiply
666,887.67x = 920,304.90 × 360,963.99 - Step 4: Simplify right side
666,887.67x = 332,196,928,720.55 - Step 5: Solve for x
x = 332,196,928,720.55/666,887.67 - Step 6: Final answer
x = 498,130.26
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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.