Finding the Fourth Proportional to 998,246.98, 1,497,623.03 and 278,588.55
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Solution
The fourth proportional to 998,246.98, 1,497,623.03 and 278,588.55 is: 417,953.31
Step by Step Solution
- Step 1: Write the proportion equation
998,246.98 : 1,497,623.03 = 278,588.55 : x - Step 2: Convert to fraction form
998,246.98/1,497,623.03 = 278,588.55/x - Step 3: Cross multiply
998,246.98x = 1,497,623.03 × 278,588.55 - Step 4: Simplify right side
998,246.98x = 417,220,628,374.31 - Step 5: Solve for x
x = 417,220,628,374.31/998,246.98 - Step 6: Final answer
x = 417,953.31
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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.