Finding the Fourth Proportional to 677,971.08, 935,601.57 and 372,049.74
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Solution
The fourth proportional to 677,971.08, 935,601.57 and 372,049.74 is: 513,429.45
Step by Step Solution
- Step 1: Write the proportion equation
677,971.08 : 935,601.57 = 372,049.74 : x - Step 2: Convert to fraction form
677,971.08/935,601.57 = 372,049.74/x - Step 3: Cross multiply
677,971.08x = 935,601.57 × 372,049.74 - Step 4: Simplify right side
677,971.08x = 348,090,320,862.09 - Step 5: Solve for x
x = 348,090,320,862.09/677,971.08 - Step 6: Final answer
x = 513,429.45
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1.5x scale
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.