Finding the Fourth Proportional to 837,808.18, 1,156,140.75 and 455,836.48
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Solution
The fourth proportional to 837,808.18, 1,156,140.75 and 455,836.48 is: 629,035.55
Step by Step Solution
- Step 1: Write the proportion equation
837,808.18 : 1,156,140.75 = 455,836.48 : x - Step 2: Convert to fraction form
837,808.18/1,156,140.75 = 455,836.48/x - Step 3: Cross multiply
837,808.18x = 1,156,140.75 × 455,836.48 - Step 4: Simplify right side
837,808.18x = 527,011,129,864.56 - Step 5: Solve for x
x = 527,011,129,864.56/837,808.18 - Step 6: Final answer
x = 629,035.55
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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.