Finding the Fourth Proportional to 679,065.46, 937,055.48 and 392,603.99
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Solution
The fourth proportional to 679,065.46, 937,055.48 and 392,603.99 is: 541,761.80
Step by Step Solution
- Step 1: Write the proportion equation
679,065.46 : 937,055.48 = 392,603.99 : x - Step 2: Convert to fraction form
679,065.46/937,055.48 = 392,603.99/x - Step 3: Cross multiply
679,065.46x = 937,055.48 × 392,603.99 - Step 4: Simplify right side
679,065.46x = 367,891,723,623.51 - Step 5: Solve for x
x = 367,891,723,623.51/679,065.46 - Step 6: Final answer
x = 541,761.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.