Finding the Fourth Proportional to 747,935.20, 1,121,246.70 and 448,534.90
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Solution
The fourth proportional to 747,935.20, 1,121,246.70 and 448,534.90 is: 672,408.89
Step by Step Solution
- Step 1: Write the proportion equation
747,935.20 : 1,121,246.70 = 448,534.90 : x - Step 2: Convert to fraction form
747,935.20/1,121,246.70 = 448,534.90/x - Step 3: Cross multiply
747,935.20x = 1,121,246.70 × 448,534.90 - Step 4: Simplify right side
747,935.20x = 502,918,276,459.83 - Step 5: Solve for x
x = 502,918,276,459.83/747,935.20 - Step 6: Final answer
x = 672,408.89
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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.