Finding the Fourth Proportional to 988,438.13, 1,480,964.49 and 539,473.98
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Solution
The fourth proportional to 988,438.13, 1,480,964.49 and 539,473.98 is: 808,287.12
Step by Step Solution
- Step 1: Write the proportion equation
988,438.13 : 1,480,964.49 = 539,473.98 : x - Step 2: Convert to fraction form
988,438.13/1,480,964.49 = 539,473.98/x - Step 3: Cross multiply
988,438.13x = 1,480,964.49 × 539,473.98 - Step 4: Simplify right side
988,438.13x = 798,941,807,658.97 - Step 5: Solve for x
x = 798,941,807,658.97/988,438.13 - Step 6: Final answer
x = 808,287.12
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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.