Finding the Fourth Proportional to 960,408.24, 1,325,639.40 and 633,959.52
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Solution
The fourth proportional to 960,408.24, 1,325,639.40 and 633,959.52 is: 875,046.34
Step by Step Solution
- Step 1: Write the proportion equation
960,408.24 : 1,325,639.40 = 633,959.52 : x - Step 2: Convert to fraction form
960,408.24/1,325,639.40 = 633,959.52/x - Step 3: Cross multiply
960,408.24x = 1,325,639.40 × 633,959.52 - Step 4: Simplify right side
960,408.24x = 840,401,717,717.09 - Step 5: Solve for x
x = 840,401,717,717.09/960,408.24 - Step 6: Final answer
x = 875,046.34
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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.