Finding the Fourth Proportional to 643,034.68, 964,354.95 and 444,630.04
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Solution
The fourth proportional to 643,034.68, 964,354.95 and 444,630.04 is: 666,808.79
Step by Step Solution
- Step 1: Write the proportion equation
643,034.68 : 964,354.95 = 444,630.04 : x - Step 2: Convert to fraction form
643,034.68/964,354.95 = 444,630.04/x - Step 3: Cross multiply
643,034.68x = 964,354.95 × 444,630.04 - Step 4: Simplify right side
643,034.68x = 428,781,179,992.70 - Step 5: Solve for x
x = 428,781,179,992.70/643,034.68 - Step 6: Final answer
x = 666,808.79
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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.