Finding the Fourth Proportional to 778,850.90, 1,168,276.35 and 731,611.70
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Solution
The fourth proportional to 778,850.90, 1,168,276.35 and 731,611.70 is: 1,097,417.55
Step by Step Solution
- Step 1: Write the proportion equation
778,850.90 : 1,168,276.35 = 731,611.70 : x - Step 2: Convert to fraction form
778,850.90/1,168,276.35 = 731,611.70/x - Step 3: Cross multiply
778,850.90x = 1,168,276.35 × 731,611.70 - Step 4: Simplify right side
778,850.90x = 854,724,646,493.30 - Step 5: Solve for x
x = 854,724,646,493.30/778,850.90 - Step 6: Final answer
x = 1,097,417.55
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1.5x scale
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.