Finding the Fourth Proportional to 652,208.20, 977,534.70 and 336,502.60
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Solution
The fourth proportional to 652,208.20, 977,534.70 and 336,502.60 is: 504,352.70
Step by Step Solution
- Step 1: Write the proportion equation
652,208.20 : 977,534.70 = 336,502.60 : x - Step 2: Convert to fraction form
652,208.20/977,534.70 = 336,502.60/x - Step 3: Cross multiply
652,208.20x = 977,534.70 × 336,502.60 - Step 4: Simplify right side
652,208.20x = 328,942,968,140.22 - Step 5: Solve for x
x = 328,942,968,140.22/652,208.20 - Step 6: Final answer
x = 504,352.70
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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.