Finding the Fourth Proportional to 943,120.92, 1,301,305.05 and 561,073.08
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Solution
The fourth proportional to 943,120.92, 1,301,305.05 and 561,073.08 is: 774,160.79
Step by Step Solution
- Step 1: Write the proportion equation
943,120.92 : 1,301,305.05 = 561,073.08 : x - Step 2: Convert to fraction form
943,120.92/1,301,305.05 = 561,073.08/x - Step 3: Cross multiply
943,120.92x = 1,301,305.05 × 561,073.08 - Step 4: Simplify right side
943,120.92x = 730,127,232,423.05 - Step 5: Solve for x
x = 730,127,232,423.05/943,120.92 - Step 6: Final answer
x = 774,160.79
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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.