Finding the Fourth Proportional to 659,246.10, 988,869.15 and 652,247.70
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Solution
The fourth proportional to 659,246.10, 988,869.15 and 652,247.70 is: 978,371.55
Step by Step Solution
- Step 1: Write the proportion equation
659,246.10 : 988,869.15 = 652,247.70 : x - Step 2: Convert to fraction form
659,246.10/988,869.15 = 652,247.70/x - Step 3: Cross multiply
659,246.10x = 988,869.15 × 652,247.70 - Step 4: Simplify right side
659,246.10x = 644,987,628,688.46 - Step 5: Solve for x
x = 644,987,628,688.46/659,246.10 - Step 6: Final answer
x = 978,371.55
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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.