Finding the Fourth Proportional to 575,317.05, 793,942.79 and 317,203.26
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Solution
The fourth proportional to 575,317.05, 793,942.79 and 317,203.26 is: 437,743.40
Step by Step Solution
- Step 1: Write the proportion equation
575,317.05 : 793,942.79 = 317,203.26 : x - Step 2: Convert to fraction form
575,317.05/793,942.79 = 317,203.26/x - Step 3: Cross multiply
575,317.05x = 793,942.79 × 317,203.26 - Step 4: Simplify right side
575,317.05x = 251,841,237,271.78 - Step 5: Solve for x
x = 251,841,237,271.78/575,317.05 - Step 6: Final answer
x = 437,743.40
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1.5x scale
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.