Finding the Fourth Proportional to 522,038.71, 720,433.18 and 292,600.19
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Solution
The fourth proportional to 522,038.71, 720,433.18 and 292,600.19 is: 403,799.34
Step by Step Solution
- Step 1: Write the proportion equation
522,038.71 : 720,433.18 = 292,600.19 : x - Step 2: Convert to fraction form
522,038.71/720,433.18 = 292,600.19/x - Step 3: Cross multiply
522,038.71x = 720,433.18 × 292,600.19 - Step 4: Simplify right side
522,038.71x = 210,798,887,517.14 - Step 5: Solve for x
x = 210,798,887,517.14/522,038.71 - Step 6: Final answer
x = 403,799.34
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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.