Finding the Fourth Proportional to 575,251.49, 793,851.01 and 320,619.08
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Solution
The fourth proportional to 575,251.49, 793,851.01 and 320,619.08 is: 442,456.53
Step by Step Solution
- Step 1: Write the proportion equation
575,251.49 : 793,851.01 = 320,619.08 : x - Step 2: Convert to fraction form
575,251.49/793,851.01 = 320,619.08/x - Step 3: Cross multiply
575,251.49x = 793,851.01 × 320,619.08 - Step 4: Simplify right side
575,251.49x = 254,523,781,666.35 - Step 5: Solve for x
x = 254,523,781,666.35/575,251.49 - Step 6: Final answer
x = 442,456.53
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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.