Finding the Fourth Proportional to 432,917.70, 649,376.55 and 432,917.70
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Solution
The fourth proportional to 432,917.70, 649,376.55 and 432,917.70 is: 649,376.55
Step by Step Solution
- Step 1: Write the proportion equation
432,917.70 : 649,376.55 = 432,917.70 : x - Step 2: Convert to fraction form
432,917.70/649,376.55 = 432,917.70/x - Step 3: Cross multiply
432,917.70x = 649,376.55 × 432,917.70 - Step 4: Simplify right side
432,917.70x = 281,126,602,459.94 - Step 5: Solve for x
x = 281,126,602,459.94/432,917.70 - Step 6: Final answer
x = 649,376.55
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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.