Finding the Fourth Proportional to 1,069,057.68, 1,603,251.44 and 349,235.31
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Solution
The fourth proportional to 1,069,057.68, 1,603,251.44 and 349,235.31 is: 523,743.50
Step by Step Solution
- Step 1: Write the proportion equation
1,069,057.68 : 1,603,251.44 = 349,235.31 : x - Step 2: Convert to fraction form
1,069,057.68/1,603,251.44 = 349,235.31/x - Step 3: Cross multiply
1,069,057.68x = 1,603,251.44 × 349,235.31 - Step 4: Simplify right side
1,069,057.68x = 559,912,013,656.35 - Step 5: Solve for x
x = 559,912,013,656.35/1,069,057.68 - Step 6: Final answer
x = 523,743.50
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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.