Finding the Fourth Proportional to 546,565.20, 819,847.80 and 432,403.80
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Solution
The fourth proportional to 546,565.20, 819,847.80 and 432,403.80 is: 648,605.70
Step by Step Solution
- Step 1: Write the proportion equation
546,565.20 : 819,847.80 = 432,403.80 : x - Step 2: Convert to fraction form
546,565.20/819,847.80 = 432,403.80/x - Step 3: Cross multiply
546,565.20x = 819,847.80 × 432,403.80 - Step 4: Simplify right side
546,565.20x = 354,505,304,141.64 - Step 5: Solve for x
x = 354,505,304,141.64/546,565.20 - Step 6: Final answer
x = 648,605.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.