Finding the Fourth Proportional to 660,880.52, 912,060.24 and 374,402.96
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Solution
The fourth proportional to 660,880.52, 912,060.24 and 374,402.96 is: 516,701.65
Step by Step Solution
- Step 1: Write the proportion equation
660,880.52 : 912,060.24 = 374,402.96 : x - Step 2: Convert to fraction form
660,880.52/912,060.24 = 374,402.96/x - Step 3: Cross multiply
660,880.52x = 912,060.24 × 374,402.96 - Step 4: Simplify right side
660,880.52x = 341,478,053,554.31 - Step 5: Solve for x
x = 341,478,053,554.31/660,880.52 - Step 6: Final answer
x = 516,701.65
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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.