Finding the Fourth Proportional to 911,530.38, 1,257,655.92 and 524,325.54
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Solution
The fourth proportional to 911,530.38, 1,257,655.92 and 524,325.54 is: 723,421.99
Step by Step Solution
- Step 1: Write the proportion equation
911,530.38 : 1,257,655.92 = 524,325.54 : x - Step 2: Convert to fraction form
911,530.38/1,257,655.92 = 524,325.54/x - Step 3: Cross multiply
911,530.38x = 1,257,655.92 × 524,325.54 - Step 4: Simplify right side
911,530.38x = 659,421,119,388.20 - Step 5: Solve for x
x = 659,421,119,388.20/911,530.38 - Step 6: Final answer
x = 723,421.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.