Finding the Fourth Proportional to 998,509.68, 1,377,784.08 and 568,798.20
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Solution
The fourth proportional to 998,509.68, 1,377,784.08 and 568,798.20 is: 784,850.78
Step by Step Solution
- Step 1: Write the proportion equation
998,509.68 : 1,377,784.08 = 568,798.20 : x - Step 2: Convert to fraction form
998,509.68/1,377,784.08 = 568,798.20/x - Step 3: Cross multiply
998,509.68x = 1,377,784.08 × 568,798.20 - Step 4: Simplify right side
998,509.68x = 783,681,104,692.66 - Step 5: Solve for x
x = 783,681,104,692.66/998,509.68 - Step 6: Final answer
x = 784,850.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.