Finding the Fourth Proportional to 555,189.28, 767,452.44 and 495,352.96
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Solution
The fourth proportional to 555,189.28, 767,452.44 and 495,352.96 is: 684,739.15
Step by Step Solution
- Step 1: Write the proportion equation
555,189.28 : 767,452.44 = 495,352.96 : x - Step 2: Convert to fraction form
555,189.28/767,452.44 = 495,352.96/x - Step 3: Cross multiply
555,189.28x = 767,452.44 × 495,352.96 - Step 4: Simplify right side
555,189.28x = 380,159,837,813.22 - Step 5: Solve for x
x = 380,159,837,813.22/555,189.28 - Step 6: Final answer
x = 684,739.15
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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.