Finding the Fourth Proportional to 406,717.01, 609,217.26 and 326,319.71
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Solution
The fourth proportional to 406,717.01, 609,217.26 and 326,319.71 is: 488,790.95
Step by Step Solution
- Step 1: Write the proportion equation
406,717.01 : 609,217.26 = 326,319.71 : x - Step 2: Convert to fraction form
406,717.01/609,217.26 = 326,319.71/x - Step 3: Cross multiply
406,717.01x = 609,217.26 × 326,319.71 - Step 4: Simplify right side
406,717.01x = 198,799,596,258.18 - Step 5: Solve for x
x = 198,799,596,258.18/406,717.01 - Step 6: Final answer
x = 488,790.95
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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.