Finding the Fourth Proportional to 623,611.24, 934,981.42 and 319,414.57
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Solution
The fourth proportional to 623,611.24, 934,981.42 and 319,414.57 is: 478,898.82
Step by Step Solution
- Step 1: Write the proportion equation
623,611.24 : 934,981.42 = 319,414.57 : x - Step 2: Convert to fraction form
623,611.24/934,981.42 = 319,414.57/x - Step 3: Cross multiply
623,611.24x = 934,981.42 × 319,414.57 - Step 4: Simplify right side
623,611.24x = 298,646,688,227.29 - Step 5: Solve for x
x = 298,646,688,227.29/623,611.24 - Step 6: Final answer
x = 478,898.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.