Finding the Fourth Proportional to 683,421.15, 943,130.23 and 377,496.75
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Solution
The fourth proportional to 683,421.15, 943,130.23 and 377,496.75 is: 520,950.52
Step by Step Solution
- Step 1: Write the proportion equation
683,421.15 : 943,130.23 = 377,496.75 : x - Step 2: Convert to fraction form
683,421.15/943,130.23 = 377,496.75/x - Step 3: Cross multiply
683,421.15x = 943,130.23 × 377,496.75 - Step 4: Simplify right side
683,421.15x = 356,028,601,368.17 - Step 5: Solve for x
x = 356,028,601,368.17/683,421.15 - Step 6: Final answer
x = 520,950.52
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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.