Finding the Fourth Proportional to 680,800.16, 939,467.04 and 374,818.45
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Solution
The fourth proportional to 680,800.16, 939,467.04 and 374,818.45 is: 517,228.99
Step by Step Solution
- Step 1: Write the proportion equation
680,800.16 : 939,467.04 = 374,818.45 : x - Step 2: Convert to fraction form
680,800.16/939,467.04 = 374,818.45/x - Step 3: Cross multiply
680,800.16x = 939,467.04 × 374,818.45 - Step 4: Simplify right side
680,800.16x = 352,129,577,766.15 - Step 5: Solve for x
x = 352,129,577,766.15/680,800.16 - Step 6: Final answer
x = 517,228.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.