Finding the Fourth Proportional to 782,465.34, 1,172,903.96 and 444,808.28
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Solution
The fourth proportional to 782,465.34, 1,172,903.96 and 444,808.28 is: 666,761.02
Step by Step Solution
- Step 1: Write the proportion equation
782,465.34 : 1,172,903.96 = 444,808.28 : x - Step 2: Convert to fraction form
782,465.34/1,172,903.96 = 444,808.28/x - Step 3: Cross multiply
782,465.34x = 1,172,903.96 × 444,808.28 - Step 4: Simplify right side
782,465.34x = 521,717,384,964.23 - Step 5: Solve for x
x = 521,717,384,964.23/782,465.34 - Step 6: Final answer
x = 666,761.02
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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.