Finding the Fourth Proportional to 840,945.96, 1,160,328.10 and 534,911.08
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Solution
The fourth proportional to 840,945.96, 1,160,328.10 and 534,911.08 is: 738,064.50
Step by Step Solution
- Step 1: Write the proportion equation
840,945.96 : 1,160,328.10 = 534,911.08 : x - Step 2: Convert to fraction form
840,945.96/1,160,328.10 = 534,911.08/x - Step 3: Cross multiply
840,945.96x = 1,160,328.10 × 534,911.08 - Step 4: Simplify right side
840,945.96x = 620,672,357,125.35 - Step 5: Solve for x
x = 620,672,357,125.35/840,945.96 - Step 6: Final answer
x = 738,064.50
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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.