Finding the Fourth Proportional to 623,737.63, 935,465.34 and 286,454.05
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Solution
The fourth proportional to 623,737.63, 935,465.34 and 286,454.05 is: 429,616.27
Step by Step Solution
- Step 1: Write the proportion equation
623,737.63 : 935,465.34 = 286,454.05 : x - Step 2: Convert to fraction form
623,737.63/935,465.34 = 286,454.05/x - Step 3: Cross multiply
623,737.63x = 935,465.34 × 286,454.05 - Step 4: Simplify right side
623,737.63x = 267,967,830,600.30 - Step 5: Solve for x
x = 267,967,830,600.30/623,737.63 - Step 6: Final answer
x = 429,616.27
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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.