Finding the Fourth Proportional to 757,625.60, 1,045,545.35 and 413,483.63
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Solution
The fourth proportional to 757,625.60, 1,045,545.35 and 413,483.63 is: 570,619.43
Step by Step Solution
- Step 1: Write the proportion equation
757,625.60 : 1,045,545.35 = 413,483.63 : x - Step 2: Convert to fraction form
757,625.60/1,045,545.35 = 413,483.63/x - Step 3: Cross multiply
757,625.60x = 1,045,545.35 × 413,483.63 - Step 4: Simplify right side
757,625.60x = 432,315,886,647.62 - Step 5: Solve for x
x = 432,315,886,647.62/757,625.60 - Step 6: Final answer
x = 570,619.43
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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.