Finding the Fourth Proportional to 519,903.36, 717,457.50 and 290,445.75
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Solution
The fourth proportional to 519,903.36, 717,457.50 and 290,445.75 is: 400,810.03
Step by Step Solution
- Step 1: Write the proportion equation
519,903.36 : 717,457.50 = 290,445.75 : x - Step 2: Convert to fraction form
519,903.36/717,457.50 = 290,445.75/x - Step 3: Cross multiply
519,903.36x = 717,457.50 × 290,445.75 - Step 4: Simplify right side
519,903.36x = 208,382,481,680.63 - Step 5: Solve for x
x = 208,382,481,680.63/519,903.36 - Step 6: Final answer
x = 400,810.03
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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.