Finding the Fourth Proportional to 454,554.70, 637,309.70 and 454,554.70
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Solution
The fourth proportional to 454,554.70, 637,309.70 and 454,554.70 is: 637,309.70
Step by Step Solution
- Step 1: Write the proportion equation
454,554.70 : 637,309.70 = 454,554.70 : x - Step 2: Convert to fraction form
454,554.70/637,309.70 = 454,554.70/x - Step 3: Cross multiply
454,554.70x = 637,309.70 × 454,554.70 - Step 4: Simplify right side
454,554.70x = 289,692,119,490.59 - Step 5: Solve for x
x = 289,692,119,490.59/454,554.70 - Step 6: Final answer
x = 637,309.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.