Finding the Fourth Proportional to 561,132.42, 774,366.75 and 306,483.54
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Solution
The fourth proportional to 561,132.42, 774,366.75 and 306,483.54 is: 422,949.48
Step by Step Solution
- Step 1: Write the proportion equation
561,132.42 : 774,366.75 = 306,483.54 : x - Step 2: Convert to fraction form
561,132.42/774,366.75 = 306,483.54/x - Step 3: Cross multiply
561,132.42x = 774,366.75 × 306,483.54 - Step 4: Simplify right side
561,132.42x = 237,330,662,798.30 - Step 5: Solve for x
x = 237,330,662,798.30/561,132.42 - Step 6: Final answer
x = 422,949.48
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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.