Finding the Fourth Proportional to 968,714.99, 1,337,011.80 and 641,450.79
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Solution
The fourth proportional to 968,714.99, 1,337,011.80 and 641,450.79 is: 885,324.67
Step by Step Solution
- Step 1: Write the proportion equation
968,714.99 : 1,337,011.80 = 641,450.79 : x - Step 2: Convert to fraction form
968,714.99/1,337,011.80 = 641,450.79/x - Step 3: Cross multiply
968,714.99x = 1,337,011.80 × 641,450.79 - Step 4: Simplify right side
968,714.99x = 857,627,275,349.32 - Step 5: Solve for x
x = 857,627,275,349.32/968,714.99 - Step 6: Final answer
x = 885,324.67
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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.