Finding the Fourth Proportional to 560,910.78, 774,427.08 and 346,366.08
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Solution
The fourth proportional to 560,910.78, 774,427.08 and 346,366.08 is: 478,213.79
Step by Step Solution
- Step 1: Write the proportion equation
560,910.78 : 774,427.08 = 346,366.08 : x - Step 2: Convert to fraction form
560,910.78/774,427.08 = 346,366.08/x - Step 3: Cross multiply
560,910.78x = 774,427.08 × 346,366.08 - Step 4: Simplify right side
560,910.78x = 268,235,271,945.45 - Step 5: Solve for x
x = 268,235,271,945.45/560,910.78 - Step 6: Final answer
x = 478,213.79
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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.