Finding the Fourth Proportional to 669,809.80, 1,003,548.30 and 576,497.80
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Solution
The fourth proportional to 669,809.80, 1,003,548.30 and 576,497.80 is: 863,742.79
Step by Step Solution
- Step 1: Write the proportion equation
669,809.80 : 1,003,548.30 = 576,497.80 : x - Step 2: Convert to fraction form
669,809.80/1,003,548.30 = 576,497.80/x - Step 3: Cross multiply
669,809.80x = 1,003,548.30 × 576,497.80 - Step 4: Simplify right side
669,809.80x = 578,543,387,143.74 - Step 5: Solve for x
x = 578,543,387,143.74/669,809.80 - Step 6: Final answer
x = 863,742.79
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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.