Finding the Fourth Proportional to 730,533.91, 1,008,133.87 and 408,243.91
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Solution
The fourth proportional to 730,533.91, 1,008,133.87 and 408,243.91 is: 563,374.96
Step by Step Solution
- Step 1: Write the proportion equation
730,533.91 : 1,008,133.87 = 408,243.91 : x - Step 2: Convert to fraction form
730,533.91/1,008,133.87 = 408,243.91/x - Step 3: Cross multiply
730,533.91x = 1,008,133.87 × 408,243.91 - Step 4: Simplify right side
730,533.91x = 411,564,512,892.23 - Step 5: Solve for x
x = 411,564,512,892.23/730,533.91 - Step 6: Final answer
x = 563,374.96
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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.