Finding the Fourth Proportional to 706,570.41, 975,067.64 and 396,430.18
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Solution
The fourth proportional to 706,570.41, 975,067.64 and 396,430.18 is: 547,073.91
Step by Step Solution
- Step 1: Write the proportion equation
706,570.41 : 975,067.64 = 396,430.18 : x - Step 2: Convert to fraction form
706,570.41/975,067.64 = 396,430.18/x - Step 3: Cross multiply
706,570.41x = 975,067.64 × 396,430.18 - Step 4: Simplify right side
706,570.41x = 386,546,240,037.38 - Step 5: Solve for x
x = 386,546,240,037.38/706,570.41 - Step 6: Final answer
x = 547,073.91
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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.