Finding the Fourth Proportional to 575,294.98, 793,907.95 and 320,640.70
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Solution
The fourth proportional to 575,294.98, 793,907.95 and 320,640.70 is: 442,484.65
Step by Step Solution
- Step 1: Write the proportion equation
575,294.98 : 793,907.95 = 320,640.70 : x - Step 2: Convert to fraction form
575,294.98/793,907.95 = 320,640.70/x - Step 3: Cross multiply
575,294.98x = 793,907.95 × 320,640.70 - Step 4: Simplify right side
575,294.98x = 254,559,198,037.19 - Step 5: Solve for x
x = 254,559,198,037.19/575,294.98 - Step 6: Final answer
x = 442,484.65
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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.