Finding the Fourth Proportional to 683,830.26, 1,025,887.95 and 210,492.18
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Solution
The fourth proportional to 683,830.26, 1,025,887.95 and 210,492.18 is: 315,782.15
Step by Step Solution
- Step 1: Write the proportion equation
683,830.26 : 1,025,887.95 = 210,492.18 : x - Step 2: Convert to fraction form
683,830.26/1,025,887.95 = 210,492.18/x - Step 3: Cross multiply
683,830.26x = 1,025,887.95 × 210,492.18 - Step 4: Simplify right side
683,830.26x = 215,941,391,031.23 - Step 5: Solve for x
x = 215,941,391,031.23/683,830.26 - Step 6: Final answer
x = 315,782.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.