Finding the Fourth Proportional to 683,487.17, 943,220.21 and 377,557.21
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Solution
The fourth proportional to 683,487.17, 943,220.21 and 377,557.21 is: 521,033.33
Step by Step Solution
- Step 1: Write the proportion equation
683,487.17 : 943,220.21 = 377,557.21 : x - Step 2: Convert to fraction form
683,487.17/943,220.21 = 377,557.21/x - Step 3: Cross multiply
683,487.17x = 943,220.21 × 377,557.21 - Step 4: Simplify right side
683,487.17x = 356,119,593,246.41 - Step 5: Solve for x
x = 356,119,593,246.41/683,487.17 - Step 6: Final answer
x = 521,033.33
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1.5x scale
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.