Finding the Fourth Proportional to 628,082.70, 942,124.05 and 450,935.70
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Solution
The fourth proportional to 628,082.70, 942,124.05 and 450,935.70 is: 676,403.55
Step by Step Solution
- Step 1: Write the proportion equation
628,082.70 : 942,124.05 = 450,935.70 : x - Step 2: Convert to fraction form
628,082.70/942,124.05 = 450,935.70/x - Step 3: Cross multiply
628,082.70x = 942,124.05 × 450,935.70 - Step 4: Simplify right side
628,082.70x = 424,837,367,973.59 - Step 5: Solve for x
x = 424,837,367,973.59/628,082.70 - Step 6: Final answer
x = 676,403.55
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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.