Finding the Fourth Proportional to 653,360.42, 901,848.75 and 423,512.21
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Solution
The fourth proportional to 653,360.42, 901,848.75 and 423,512.21 is: 584,583.86
Step by Step Solution
- Step 1: Write the proportion equation
653,360.42 : 901,848.75 = 423,512.21 : x - Step 2: Convert to fraction form
653,360.42/901,848.75 = 423,512.21/x - Step 3: Cross multiply
653,360.42x = 901,848.75 × 423,512.21 - Step 4: Simplify right side
653,360.42x = 381,943,957,198.24 - Step 5: Solve for x
x = 381,943,957,198.24/653,360.42 - Step 6: Final answer
x = 584,583.86
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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.