Finding the Fourth Proportional to 656,551.69, 906,110.99 and 384,847.88
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Solution
The fourth proportional to 656,551.69, 906,110.99 and 384,847.88 is: 531,130.90
Step by Step Solution
- Step 1: Write the proportion equation
656,551.69 : 906,110.99 = 384,847.88 : x - Step 2: Convert to fraction form
656,551.69/906,110.99 = 384,847.88/x - Step 3: Cross multiply
656,551.69x = 906,110.99 × 384,847.88 - Step 4: Simplify right side
656,551.69x = 348,714,888,534.59 - Step 5: Solve for x
x = 348,714,888,534.59/656,551.69 - Step 6: Final answer
x = 531,130.90
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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.