Finding the Fourth Proportional to 753,390.87, 1,130,179.23 and 247,822.08
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Solution
The fourth proportional to 753,390.87, 1,130,179.23 and 247,822.08 is: 371,763.69
Step by Step Solution
- Step 1: Write the proportion equation
753,390.87 : 1,130,179.23 = 247,822.08 : x - Step 2: Convert to fraction form
753,390.87/1,130,179.23 = 247,822.08/x - Step 3: Cross multiply
753,390.87x = 1,130,179.23 × 247,822.08 - Step 4: Simplify right side
753,390.87x = 280,083,367,551.40 - Step 5: Solve for x
x = 280,083,367,551.40/753,390.87 - Step 6: Final answer
x = 371,763.69
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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.