Finding the Fourth Proportional to 747,596.40, 1,031,684.52 and 408,064.68
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Solution
The fourth proportional to 747,596.40, 1,031,684.52 and 408,064.68 is: 563,130.07
Step by Step Solution
- Step 1: Write the proportion equation
747,596.40 : 1,031,684.52 = 408,064.68 : x - Step 2: Convert to fraction form
747,596.40/1,031,684.52 = 408,064.68/x - Step 3: Cross multiply
747,596.40x = 1,031,684.52 × 408,064.68 - Step 4: Simplify right side
747,596.40x = 420,994,013,514.75 - Step 5: Solve for x
x = 420,994,013,514.75/747,596.40 - Step 6: Final answer
x = 563,130.07
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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.