Finding the Fourth Proportional to 963,564.24, 1,329,683.36 and 555,683.28
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Solution
The fourth proportional to 963,564.24, 1,329,683.36 and 555,683.28 is: 766,822.57
Step by Step Solution
- Step 1: Write the proportion equation
963,564.24 : 1,329,683.36 = 555,683.28 : x - Step 2: Convert to fraction form
963,564.24/1,329,683.36 = 555,683.28/x - Step 3: Cross multiply
963,564.24x = 1,329,683.36 × 555,683.28 - Step 4: Simplify right side
963,564.24x = 738,882,810,846.22 - Step 5: Solve for x
x = 738,882,810,846.22/963,564.24 - Step 6: Final answer
x = 766,822.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.