Finding the Fourth Proportional to 763,294.16, 1,145,371.36 and 703,064.18
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Solution
The fourth proportional to 763,294.16, 1,145,371.36 and 703,064.18 is: 1,054,992.45
Step by Step Solution
- Step 1: Write the proportion equation
763,294.16 : 1,145,371.36 = 703,064.18 : x - Step 2: Convert to fraction form
763,294.16/1,145,371.36 = 703,064.18/x - Step 3: Cross multiply
763,294.16x = 1,145,371.36 × 703,064.18 - Step 4: Simplify right side
763,294.16x = 805,269,576,013.89 - Step 5: Solve for x
x = 805,269,576,013.89/763,294.16 - Step 6: Final answer
x = 1,054,992.45
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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.