Finding the Fourth Proportional to 998,538.90, 1,497,808.35 and 662,615.70
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Solution
The fourth proportional to 998,538.90, 1,497,808.35 and 662,615.70 is: 993,923.55
Step by Step Solution
- Step 1: Write the proportion equation
998,538.90 : 1,497,808.35 = 662,615.70 : x - Step 2: Convert to fraction form
998,538.90/1,497,808.35 = 662,615.70/x - Step 3: Cross multiply
998,538.90x = 1,497,808.35 × 662,615.70 - Step 4: Simplify right side
998,538.90x = 992,471,328,301.10 - Step 5: Solve for x
x = 992,471,328,301.10/998,538.90 - Step 6: Final answer
x = 993,923.55
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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.