Finding the Fourth Proportional to 855,973.36, 1,181,251.11 and 516,376
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Solution
The fourth proportional to 855,973.36, 1,181,251.11 and 516,376 is: 712,603.63
Step by Step Solution
- Step 1: Write the proportion equation
855,973.36 : 1,181,251.11 = 516,376 : x - Step 2: Convert to fraction form
855,973.36/1,181,251.11 = 516,376/x - Step 3: Cross multiply
855,973.36x = 1,181,251.11 × 516,376 - Step 4: Simplify right side
855,973.36x = 609,969,723,177.36 - Step 5: Solve for x
x = 609,969,723,177.36/855,973.36 - Step 6: Final answer
x = 712,603.63
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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.