Finding the Fourth Proportional to 625,318.40, 937,977.95 and 439,160.96
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Solution
The fourth proportional to 625,318.40, 937,977.95 and 439,160.96 is: 658,741.69
Step by Step Solution
- Step 1: Write the proportion equation
625,318.40 : 937,977.95 = 439,160.96 : x - Step 2: Convert to fraction form
625,318.40/937,977.95 = 439,160.96/x - Step 3: Cross multiply
625,318.40x = 937,977.95 × 439,160.96 - Step 4: Simplify right side
625,318.40x = 411,923,296,980.83 - Step 5: Solve for x
x = 411,923,296,980.83/625,318.40 - Step 6: Final answer
x = 658,741.69
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1.5x scale
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.