Finding the Fourth Proportional to 750,470.19, 1,035,649.08 and 406,306.05
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Solution
The fourth proportional to 750,470.19, 1,035,649.08 and 406,306.05 is: 560,702.47
Step by Step Solution
- Step 1: Write the proportion equation
750,470.19 : 1,035,649.08 = 406,306.05 : x - Step 2: Convert to fraction form
750,470.19/1,035,649.08 = 406,306.05/x - Step 3: Cross multiply
750,470.19x = 1,035,649.08 × 406,306.05 - Step 4: Simplify right side
750,470.19x = 420,790,486,880.93 - Step 5: Solve for x
x = 420,790,486,880.93/750,470.19 - Step 6: Final answer
x = 560,702.47
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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.