Finding the Fourth Proportional to 900,574.96, 1,350,862.17 and 339,478.24
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Solution
The fourth proportional to 900,574.96, 1,350,862.17 and 339,478.24 is: 509,217.26
Step by Step Solution
- Step 1: Write the proportion equation
900,574.96 : 1,350,862.17 = 339,478.24 : x - Step 2: Convert to fraction form
900,574.96/1,350,862.17 = 339,478.24/x - Step 3: Cross multiply
900,574.96x = 1,350,862.17 × 339,478.24 - Step 4: Simplify right side
900,574.96x = 458,588,311,954.18 - Step 5: Solve for x
x = 458,588,311,954.18/900,574.96 - Step 6: Final answer
x = 509,217.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.