Finding the Fourth Proportional to 899,768.70, 1,349,653.05 and 234,920.70
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Solution
The fourth proportional to 899,768.70, 1,349,653.05 and 234,920.70 is: 352,381.05
Step by Step Solution
- Step 1: Write the proportion equation
899,768.70 : 1,349,653.05 = 234,920.70 : x - Step 2: Convert to fraction form
899,768.70/1,349,653.05 = 234,920.70/x - Step 3: Cross multiply
899,768.70x = 1,349,653.05 × 234,920.70 - Step 4: Simplify right side
899,768.70x = 317,061,439,263.14 - Step 5: Solve for x
x = 317,061,439,263.14/899,768.70 - Step 6: Final answer
x = 352,381.05
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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.