Finding the Fourth Proportional to 658,349.40, 987,524.10 and 607,027.80
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Solution
The fourth proportional to 658,349.40, 987,524.10 and 607,027.80 is: 910,541.70
Step by Step Solution
- Step 1: Write the proportion equation
658,349.40 : 987,524.10 = 607,027.80 : x - Step 2: Convert to fraction form
658,349.40/987,524.10 = 607,027.80/x - Step 3: Cross multiply
658,349.40x = 987,524.10 × 607,027.80 - Step 4: Simplify right side
658,349.40x = 599,454,581,869.98 - Step 5: Solve for x
x = 599,454,581,869.98/658,349.40 - Step 6: Final answer
x = 910,541.70
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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.