Finding the Fourth Proportional to 698,116.98, 963,515.76 and 581,645.82
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Solution
The fourth proportional to 698,116.98, 963,515.76 and 581,645.82 is: 802,766.49
Step by Step Solution
- Step 1: Write the proportion equation
698,116.98 : 963,515.76 = 581,645.82 : x - Step 2: Convert to fraction form
698,116.98/963,515.76 = 581,645.82/x - Step 3: Cross multiply
698,116.98x = 963,515.76 × 581,645.82 - Step 4: Simplify right side
698,116.98x = 560,424,914,308.12 - Step 5: Solve for x
x = 560,424,914,308.12/698,116.98 - Step 6: Final answer
x = 802,766.49
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1.5x scale
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.