Finding the Fourth Proportional to 850,971.80, 1,276,457.70 and 768,027.80
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Solution
The fourth proportional to 850,971.80, 1,276,457.70 and 768,027.80 is: 1,152,041.70
Step by Step Solution
- Step 1: Write the proportion equation
850,971.80 : 1,276,457.70 = 768,027.80 : x - Step 2: Convert to fraction form
850,971.80/1,276,457.70 = 768,027.80/x - Step 3: Cross multiply
850,971.80x = 1,276,457.70 × 768,027.80 - Step 4: Simplify right side
850,971.80x = 980,354,999,124.06 - Step 5: Solve for x
x = 980,354,999,124.06/850,971.80 - Step 6: Final answer
x = 1,152,041.70
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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.