Finding the Fourth Proportional to 575,283.66, 793,918.62 and 320,636.70
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Solution
The fourth proportional to 575,283.66, 793,918.62 and 320,636.70 is: 442,493.79
Step by Step Solution
- Step 1: Write the proportion equation
575,283.66 : 793,918.62 = 320,636.70 : x - Step 2: Convert to fraction form
575,283.66/793,918.62 = 320,636.70/x - Step 3: Cross multiply
575,283.66x = 793,918.62 × 320,636.70 - Step 4: Simplify right side
575,283.66x = 254,559,446,385.35 - Step 5: Solve for x
x = 254,559,446,385.35/575,283.66 - Step 6: Final answer
x = 442,493.79
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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.