Finding the Fourth Proportional to 998,636.58, 1,497,965.85 and 288,670.77
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Solution
The fourth proportional to 998,636.58, 1,497,965.85 and 288,670.77 is: 433,009.33
Step by Step Solution
- Step 1: Write the proportion equation
998,636.58 : 1,497,965.85 = 288,670.77 : x - Step 2: Convert to fraction form
998,636.58/1,497,965.85 = 288,670.77/x - Step 3: Cross multiply
998,636.58x = 1,497,965.85 × 288,670.77 - Step 4: Simplify right side
998,636.58x = 432,418,955,353.21 - Step 5: Solve for x
x = 432,418,955,353.21/998,636.58 - Step 6: Final answer
x = 433,009.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.