Finding the Fourth Proportional to 998,000.64, 1,497,320.64 and 357,873.12
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Solution
The fourth proportional to 998,000.64, 1,497,320.64 and 357,873.12 is: 536,924.31
Step by Step Solution
- Step 1: Write the proportion equation
998,000.64 : 1,497,320.64 = 357,873.12 : x - Step 2: Convert to fraction form
998,000.64/1,497,320.64 = 357,873.12/x - Step 3: Cross multiply
998,000.64x = 1,497,320.64 × 357,873.12 - Step 4: Simplify right side
998,000.64x = 535,850,809,077.20 - Step 5: Solve for x
x = 535,850,809,077.20/998,000.64 - Step 6: Final answer
x = 536,924.31
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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.