Finding the Fourth Proportional to 790,657.26, 1,186,264.29 and 525,470.70
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Solution
The fourth proportional to 790,657.26, 1,186,264.29 and 525,470.70 is: 788,391.07
Step by Step Solution
- Step 1: Write the proportion equation
790,657.26 : 1,186,264.29 = 525,470.70 : x - Step 2: Convert to fraction form
790,657.26/1,186,264.29 = 525,470.70/x - Step 3: Cross multiply
790,657.26x = 1,186,264.29 × 525,470.70 - Step 4: Simplify right side
790,657.26x = 623,347,126,851.30 - Step 5: Solve for x
x = 623,347,126,851.30/790,657.26 - Step 6: Final answer
x = 788,391.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.