Finding the Fourth Proportional to 854,215.24, 1,178,535.30 and 548,462.92
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Solution
The fourth proportional to 854,215.24, 1,178,535.30 and 548,462.92 is: 756,697.94
Step by Step Solution
- Step 1: Write the proportion equation
854,215.24 : 1,178,535.30 = 548,462.92 : x - Step 2: Convert to fraction form
854,215.24/1,178,535.30 = 548,462.92/x - Step 3: Cross multiply
854,215.24x = 1,178,535.30 × 548,462.92 - Step 4: Simplify right side
854,215.24x = 646,382,911,961.08 - Step 5: Solve for x
x = 646,382,911,961.08/854,215.24 - Step 6: Final answer
x = 756,697.94
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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.