Finding the Fourth Proportional to 663,451.24, 915,562.74 and 361,645.24
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Solution
The fourth proportional to 663,451.24, 915,562.74 and 361,645.24 is: 499,070.45
Step by Step Solution
- Step 1: Write the proportion equation
663,451.24 : 915,562.74 = 361,645.24 : x - Step 2: Convert to fraction form
663,451.24/915,562.74 = 361,645.24/x - Step 3: Cross multiply
663,451.24x = 915,562.74 × 361,645.24 - Step 4: Simplify right side
663,451.24x = 331,108,906,842.36 - Step 5: Solve for x
x = 331,108,906,842.36/663,451.24 - Step 6: Final answer
x = 499,070.45
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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.