Finding the Fourth Proportional to 998,756.88, 1,498,129.56 and 333,903.12
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Solution
The fourth proportional to 998,756.88, 1,498,129.56 and 333,903.12 is: 500,852.75
Step by Step Solution
- Step 1: Write the proportion equation
998,756.88 : 1,498,129.56 = 333,903.12 : x - Step 2: Convert to fraction form
998,756.88/1,498,129.56 = 333,903.12/x - Step 3: Cross multiply
998,756.88x = 1,498,129.56 × 333,903.12 - Step 4: Simplify right side
998,756.88x = 500,230,134,248.23 - Step 5: Solve for x
x = 500,230,134,248.23/998,756.88 - Step 6: Final answer
x = 500,852.75
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1.5x scale
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.