Finding the Fourth Proportional to 680,777.66, 939,465.42 and 374,847.68
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Solution
The fourth proportional to 680,777.66, 939,465.42 and 374,847.68 is: 517,285.53
Step by Step Solution
- Step 1: Write the proportion equation
680,777.66 : 939,465.42 = 374,847.68 : x - Step 2: Convert to fraction form
680,777.66/939,465.42 = 374,847.68/x - Step 3: Cross multiply
680,777.66x = 939,465.42 × 374,847.68 - Step 4: Simplify right side
680,777.66x = 352,156,433,127.23 - Step 5: Solve for x
x = 352,156,433,127.23/680,777.66 - Step 6: Final answer
x = 517,285.53
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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.