Finding the Fourth Proportional to 569,130.78, 785,445.27 and 324,125.95
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Solution
The fourth proportional to 569,130.78, 785,445.27 and 324,125.95 is: 447,319.32
Step by Step Solution
- Step 1: Write the proportion equation
569,130.78 : 785,445.27 = 324,125.95 : x - Step 2: Convert to fraction form
569,130.78/785,445.27 = 324,125.95/x - Step 3: Cross multiply
569,130.78x = 785,445.27 × 324,125.95 - Step 4: Simplify right side
569,130.78x = 254,583,194,311.76 - Step 5: Solve for x
x = 254,583,194,311.76/569,130.78 - Step 6: Final answer
x = 447,319.32
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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.