Finding the Fourth Proportional to 657,029.40, 906,646.26 and 370,619.88
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Solution
The fourth proportional to 657,029.40, 906,646.26 and 370,619.88 is: 511,424.80
Step by Step Solution
- Step 1: Write the proportion equation
657,029.40 : 906,646.26 = 370,619.88 : x - Step 2: Convert to fraction form
657,029.40/906,646.26 = 370,619.88/x - Step 3: Cross multiply
657,029.40x = 906,646.26 × 370,619.88 - Step 4: Simplify right side
657,029.40x = 336,021,128,083.65 - Step 5: Solve for x
x = 336,021,128,083.65/657,029.40 - Step 6: Final answer
x = 511,424.80
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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.