Finding the Fourth Proportional to 953,553.96, 1,430,173.74 and 313,866.02
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Solution
The fourth proportional to 953,553.96, 1,430,173.74 and 313,866.02 is: 470,747.29
Step by Step Solution
- Step 1: Write the proportion equation
953,553.96 : 1,430,173.74 = 313,866.02 : x - Step 2: Convert to fraction form
953,553.96/1,430,173.74 = 313,866.02/x - Step 3: Cross multiply
953,553.96x = 1,430,173.74 × 313,866.02 - Step 4: Simplify right side
953,553.96x = 448,882,939,682.32 - Step 5: Solve for x
x = 448,882,939,682.32/953,553.96 - Step 6: Final answer
x = 470,747.29
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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.