Finding the Fourth Proportional to 759,862.01, 1,139,794.34 and 310,582.49
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Solution
The fourth proportional to 759,862.01, 1,139,794.34 and 310,582.49 is: 465,874.27
Step by Step Solution
- Step 1: Write the proportion equation
759,862.01 : 1,139,794.34 = 310,582.49 : x - Step 2: Convert to fraction form
759,862.01/1,139,794.34 = 310,582.49/x - Step 3: Cross multiply
759,862.01x = 1,139,794.34 × 310,582.49 - Step 4: Simplify right side
759,862.01x = 354,000,156,953.22 - Step 5: Solve for x
x = 354,000,156,953.22/759,862.01 - Step 6: Final answer
x = 465,874.27
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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.