Finding the Fourth Proportional to 734,901.60, 1,102,352.40 and 482,959.20
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Solution
The fourth proportional to 734,901.60, 1,102,352.40 and 482,959.20 is: 724,438.80
Step by Step Solution
- Step 1: Write the proportion equation
734,901.60 : 1,102,352.40 = 482,959.20 : x - Step 2: Convert to fraction form
734,901.60/1,102,352.40 = 482,959.20/x - Step 3: Cross multiply
734,901.60x = 1,102,352.40 × 482,959.20 - Step 4: Simplify right side
734,901.60x = 532,391,233,222.08 - Step 5: Solve for x
x = 532,391,233,222.08/734,901.60 - Step 6: Final answer
x = 724,438.80
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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.