Finding the Fourth Proportional to 680,288.07, 938,773.98 and 374,335.84
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Solution
The fourth proportional to 680,288.07, 938,773.98 and 374,335.84 is: 516,570.50
Step by Step Solution
- Step 1: Write the proportion equation
680,288.07 : 938,773.98 = 374,335.84 : x - Step 2: Convert to fraction form
680,288.07/938,773.98 = 374,335.84/x - Step 3: Cross multiply
680,288.07x = 938,773.98 × 374,335.84 - Step 4: Simplify right side
680,288.07x = 351,416,746,373.44 - Step 5: Solve for x
x = 351,416,746,373.44/680,288.07 - Step 6: Final answer
x = 516,570.50
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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.