Finding the Fourth Proportional to 526,725.36, 727,383.06 and 498,034.08
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Solution
The fourth proportional to 526,725.36, 727,383.06 and 498,034.08 is: 687,761.75
Step by Step Solution
- Step 1: Write the proportion equation
526,725.36 : 727,383.06 = 498,034.08 : x - Step 2: Convert to fraction form
526,725.36/727,383.06 = 498,034.08/x - Step 3: Cross multiply
526,725.36x = 727,383.06 × 498,034.08 - Step 4: Simplify right side
526,725.36x = 362,261,553,094.69 - Step 5: Solve for x
x = 362,261,553,094.69/526,725.36 - Step 6: Final answer
x = 687,761.75
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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.