Finding the Fourth Proportional to 989,637.12, 1,484,455.68 and 568,644.48
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Solution
The fourth proportional to 989,637.12, 1,484,455.68 and 568,644.48 is: 852,966.72
Step by Step Solution
- Step 1: Write the proportion equation
989,637.12 : 1,484,455.68 = 568,644.48 : x - Step 2: Convert to fraction form
989,637.12/1,484,455.68 = 568,644.48/x - Step 3: Cross multiply
989,637.12x = 1,484,455.68 × 568,644.48 - Step 4: Simplify right side
989,637.12x = 844,127,528,236.65 - Step 5: Solve for x
x = 844,127,528,236.65/989,637.12 - Step 6: Final answer
x = 852,966.72
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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.