Finding the Fourth Proportional to 575,042.57, 793,564.11 and 316,928.74
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Solution
The fourth proportional to 575,042.57, 793,564.11 and 316,928.74 is: 437,364.62
Step by Step Solution
- Step 1: Write the proportion equation
575,042.57 : 793,564.11 = 316,928.74 : x - Step 2: Convert to fraction form
575,042.57/793,564.11 = 316,928.74/x - Step 3: Cross multiply
575,042.57x = 793,564.11 × 316,928.74 - Step 4: Simplify right side
575,042.57x = 251,503,273,491.52 - Step 5: Solve for x
x = 251,503,273,491.52/575,042.57 - Step 6: Final answer
x = 437,364.62
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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.