Finding the Fourth Proportional to 851,027.80, 1,276,541.70 and 768,083.80
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Solution
The fourth proportional to 851,027.80, 1,276,541.70 and 768,083.80 is: 1,152,125.70
Step by Step Solution
- Step 1: Write the proportion equation
851,027.80 : 1,276,541.70 = 768,083.80 : x - Step 2: Convert to fraction form
851,027.80/1,276,541.70 = 768,083.80/x - Step 3: Cross multiply
851,027.80x = 1,276,541.70 × 768,083.80 - Step 4: Simplify right side
851,027.80x = 980,490,999,794.46 - Step 5: Solve for x
x = 980,490,999,794.46/851,027.80 - Step 6: Final answer
x = 1,152,125.70
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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.