Finding the Fourth Proportional to 653,332.23, 901,440.70 and 381,244.79
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Solution
The fourth proportional to 653,332.23, 901,440.70 and 381,244.79 is: 526,025.74
Step by Step Solution
- Step 1: Write the proportion equation
653,332.23 : 901,440.70 = 381,244.79 : x - Step 2: Convert to fraction form
653,332.23/901,440.70 = 381,244.79/x - Step 3: Cross multiply
653,332.23x = 901,440.70 × 381,244.79 - Step 4: Simplify right side
653,332.23x = 343,669,571,669.44 - Step 5: Solve for x
x = 343,669,571,669.44/653,332.23 - Step 6: Final answer
x = 526,025.74
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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.