Finding the Fourth Proportional to 652,163.40, 977,078.70 and 402,553.80
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Solution
The fourth proportional to 652,163.40, 977,078.70 and 402,553.80 is: 603,110.73
Step by Step Solution
- Step 1: Write the proportion equation
652,163.40 : 977,078.70 = 402,553.80 : x - Step 2: Convert to fraction form
652,163.40/977,078.70 = 402,553.80/x - Step 3: Cross multiply
652,163.40x = 977,078.70 × 402,553.80 - Step 4: Simplify right side
652,163.40x = 393,326,743,584.06 - Step 5: Solve for x
x = 393,326,743,584.06/652,163.40 - Step 6: Final answer
x = 603,110.73
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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.