Finding the Fourth Proportional to 648,113.24, 971,243.14 and 475,984.80
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Solution
The fourth proportional to 648,113.24, 971,243.14 and 475,984.80 is: 713,296.60
Step by Step Solution
- Step 1: Write the proportion equation
648,113.24 : 971,243.14 = 475,984.80 : x - Step 2: Convert to fraction form
648,113.24/971,243.14 = 475,984.80/x - Step 3: Cross multiply
648,113.24x = 971,243.14 × 475,984.80 - Step 4: Simplify right side
648,113.24x = 462,296,971,744.27 - Step 5: Solve for x
x = 462,296,971,744.27/648,113.24 - Step 6: Final answer
x = 713,296.60
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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.