Finding the Fourth Proportional to 679,187.28, 937,233.04 and 373,257.08
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Solution
The fourth proportional to 679,187.28, 937,233.04 and 373,257.08 is: 515,069.82
Step by Step Solution
- Step 1: Write the proportion equation
679,187.28 : 937,233.04 = 373,257.08 : x - Step 2: Convert to fraction form
679,187.28/937,233.04 = 373,257.08/x - Step 3: Cross multiply
679,187.28x = 937,233.04 × 373,257.08 - Step 4: Simplify right side
679,187.28x = 349,828,867,789.92 - Step 5: Solve for x
x = 349,828,867,789.92/679,187.28 - Step 6: Final answer
x = 515,069.82
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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.