Finding the Fourth Proportional to 601,789.76, 830,437.08 and 329,858.18
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Solution
The fourth proportional to 601,789.76, 830,437.08 and 329,858.18 is: 455,186.32
Step by Step Solution
- Step 1: Write the proportion equation
601,789.76 : 830,437.08 = 329,858.18 : x - Step 2: Convert to fraction form
601,789.76/830,437.08 = 329,858.18/x - Step 3: Cross multiply
601,789.76x = 830,437.08 × 329,858.18 - Step 4: Simplify right side
601,789.76x = 273,926,463,813.31 - Step 5: Solve for x
x = 273,926,463,813.31/601,789.76 - Step 6: Final answer
x = 455,186.32
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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.