Finding the Fourth Proportional to 875,880.96, 1,208,717.47 and 473,472.96
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Solution
The fourth proportional to 875,880.96, 1,208,717.47 and 473,472.96 is: 653,393.63
Step by Step Solution
- Step 1: Write the proportion equation
875,880.96 : 1,208,717.47 = 473,472.96 : x - Step 2: Convert to fraction form
875,880.96/1,208,717.47 = 473,472.96/x - Step 3: Cross multiply
875,880.96x = 1,208,717.47 × 473,472.96 - Step 4: Simplify right side
875,880.96x = 572,295,038,324.61 - Step 5: Solve for x
x = 572,295,038,324.61/875,880.96 - Step 6: Final answer
x = 653,393.63
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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.