Finding the Fourth Proportional to 817,976.16, 1,128,796.34 and 473,859
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Solution
The fourth proportional to 817,976.16, 1,128,796.34 and 473,859 is: 653,919.19
Step by Step Solution
- Step 1: Write the proportion equation
817,976.16 : 1,128,796.34 = 473,859 : x - Step 2: Convert to fraction form
817,976.16/1,128,796.34 = 473,859/x - Step 3: Cross multiply
817,976.16x = 1,128,796.34 × 473,859 - Step 4: Simplify right side
817,976.16x = 534,890,304,876.06 - Step 5: Solve for x
x = 534,890,304,876.06/817,976.16 - Step 6: Final answer
x = 653,919.19
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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.