Finding the Fourth Proportional to 919,425.99, 1,268,982.62 and 575,421.83
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Solution
The fourth proportional to 919,425.99, 1,268,982.62 and 575,421.83 is: 794,191.48
Step by Step Solution
- Step 1: Write the proportion equation
919,425.99 : 1,268,982.62 = 575,421.83 : x - Step 2: Convert to fraction form
919,425.99/1,268,982.62 = 575,421.83/x - Step 3: Cross multiply
919,425.99x = 1,268,982.62 × 575,421.83 - Step 4: Simplify right side
919,425.99x = 730,200,292,216.57 - Step 5: Solve for x
x = 730,200,292,216.57/919,425.99 - Step 6: Final answer
x = 794,191.48
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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.