Finding the Fourth Proportional to 847,993.50, 1,272,573.45 and 349,357.50
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Solution
The fourth proportional to 847,993.50, 1,272,573.45 and 349,357.50 is: 524,276.52
Step by Step Solution
- Step 1: Write the proportion equation
847,993.50 : 1,272,573.45 = 349,357.50 : x - Step 2: Convert to fraction form
847,993.50/1,272,573.45 = 349,357.50/x - Step 3: Cross multiply
847,993.50x = 1,272,573.45 × 349,357.50 - Step 4: Simplify right side
847,993.50x = 444,583,079,058.38 - Step 5: Solve for x
x = 444,583,079,058.38/847,993.50 - Step 6: Final answer
x = 524,276.52
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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.