Finding the Fourth Proportional to 536,273.41, 740,108.70 and 306,785.13
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Solution
The fourth proportional to 536,273.41, 740,108.70 and 306,785.13 is: 423,392.88
Step by Step Solution
- Step 1: Write the proportion equation
536,273.41 : 740,108.70 = 306,785.13 : x - Step 2: Convert to fraction form
536,273.41/740,108.70 = 306,785.13/x - Step 3: Cross multiply
536,273.41x = 740,108.70 × 306,785.13 - Step 4: Simplify right side
536,273.41x = 227,054,343,743.63 - Step 5: Solve for x
x = 227,054,343,743.63/536,273.41 - Step 6: Final answer
x = 423,392.88
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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.