Finding the Fourth Proportional to 998,412.80, 1,497,446.40 and 367,001.60
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Solution
The fourth proportional to 998,412.80, 1,497,446.40 and 367,001.60 is: 550,438.88
Step by Step Solution
- Step 1: Write the proportion equation
998,412.80 : 1,497,446.40 = 367,001.60 : x - Step 2: Convert to fraction form
998,412.80/1,497,446.40 = 367,001.60/x - Step 3: Cross multiply
998,412.80x = 1,497,446.40 × 367,001.60 - Step 4: Simplify right side
998,412.80x = 549,565,224,714.24 - Step 5: Solve for x
x = 549,565,224,714.24/998,412.80 - Step 6: Final answer
x = 550,438.88
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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.