Finding the Fourth Proportional to 851,591.94, 1,276,253.06 and 402,432.06
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Solution
The fourth proportional to 851,591.94, 1,276,253.06 and 402,432.06 is: 603,111.80
Step by Step Solution
- Step 1: Write the proportion equation
851,591.94 : 1,276,253.06 = 402,432.06 : x - Step 2: Convert to fraction form
851,591.94/1,276,253.06 = 402,432.06/x - Step 3: Cross multiply
851,591.94x = 1,276,253.06 × 402,432.06 - Step 4: Simplify right side
851,591.94x = 513,605,146,004.94 - Step 5: Solve for x
x = 513,605,146,004.94/851,591.94 - Step 6: Final answer
x = 603,111.80
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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.