Finding the Fourth Proportional to 520,094.70, 778,414.05 and 377,534.70
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Solution
The fourth proportional to 520,094.70, 778,414.05 and 377,534.70 is: 565,047.70
Step by Step Solution
- Step 1: Write the proportion equation
520,094.70 : 778,414.05 = 377,534.70 : x - Step 2: Convert to fraction form
520,094.70/778,414.05 = 377,534.70/x - Step 3: Cross multiply
520,094.70x = 778,414.05 × 377,534.70 - Step 4: Simplify right side
520,094.70x = 293,878,314,842.54 - Step 5: Solve for x
x = 293,878,314,842.54/520,094.70 - Step 6: Final answer
x = 565,047.70
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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.