Finding the Fourth Proportional to 708,496.72, 1,058,048.93 and 622,649.68
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Solution
The fourth proportional to 708,496.72, 1,058,048.93 and 622,649.68 is: 929,847.39
Step by Step Solution
- Step 1: Write the proportion equation
708,496.72 : 1,058,048.93 = 622,649.68 : x - Step 2: Convert to fraction form
708,496.72/1,058,048.93 = 622,649.68/x - Step 3: Cross multiply
708,496.72x = 1,058,048.93 × 622,649.68 - Step 4: Simplify right side
708,496.72x = 658,793,827,688.84 - Step 5: Solve for x
x = 658,793,827,688.84/708,496.72 - Step 6: Final answer
x = 929,847.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.