Finding the Fourth Proportional to 772,589.44, 1,158,214.08 and 298,948.80
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Solution
The fourth proportional to 772,589.44, 1,158,214.08 and 298,948.80 is: 448,163.92
Step by Step Solution
- Step 1: Write the proportion equation
772,589.44 : 1,158,214.08 = 298,948.80 : x - Step 2: Convert to fraction form
772,589.44/1,158,214.08 = 298,948.80/x - Step 3: Cross multiply
772,589.44x = 1,158,214.08 × 298,948.80 - Step 4: Simplify right side
772,589.44x = 346,246,709,359.10 - Step 5: Solve for x
x = 346,246,709,359.10/772,589.44 - Step 6: Final answer
x = 448,163.92
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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.