Finding the Fourth Proportional to 528,793.47, 792,402.62 and 292,203.81
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Solution
The fourth proportional to 528,793.47, 792,402.62 and 292,203.81 is: 437,870.50
Step by Step Solution
- Step 1: Write the proportion equation
528,793.47 : 792,402.62 = 292,203.81 : x - Step 2: Convert to fraction form
528,793.47/792,402.62 = 292,203.81/x - Step 3: Cross multiply
528,793.47x = 792,402.62 × 292,203.81 - Step 4: Simplify right side
528,793.47x = 231,543,063,156.96 - Step 5: Solve for x
x = 231,543,063,156.96/528,793.47 - Step 6: Final answer
x = 437,870.50
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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.