Finding the Fourth Proportional to 454,463.19, 626,899.10 and 284,402.07
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Solution
The fourth proportional to 454,463.19, 626,899.10 and 284,402.07 is: 392,312.08
Step by Step Solution
- Step 1: Write the proportion equation
454,463.19 : 626,899.10 = 284,402.07 : x - Step 2: Convert to fraction form
454,463.19/626,899.10 = 284,402.07/x - Step 3: Cross multiply
454,463.19x = 626,899.10 × 284,402.07 - Step 4: Simplify right side
454,463.19x = 178,291,400,299.13 - Step 5: Solve for x
x = 178,291,400,299.13/454,463.19 - Step 6: Final answer
x = 392,312.08
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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.