Finding the Fourth Proportional to 902.97, 1,246.07 and 509.99
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Solution
The fourth proportional to 902.97, 1,246.07 and 509.99 is: 703.77
Step by Step Solution
- Step 1: Write the proportion equation
902.97 : 1,246.07 = 509.99 : x - Step 2: Convert to fraction form
902.97/1,246.07 = 509.99/x - Step 3: Cross multiply
902.97x = 1,246.07 × 509.99 - Step 4: Simplify right side
902.97x = 635,483.24 - Step 5: Solve for x
x = 635,483.24/902.97 - Step 6: Final answer
x = 703.77
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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.