Finding the Fourth Proportional to 817,159.98, 1,125,113.88 and 694,393.42
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Solution
The fourth proportional to 817,159.98, 1,125,113.88 and 694,393.42 is: 956,081.67
Step by Step Solution
- Step 1: Write the proportion equation
817,159.98 : 1,125,113.88 = 694,393.42 : x - Step 2: Convert to fraction form
817,159.98/1,125,113.88 = 694,393.42/x - Step 3: Cross multiply
817,159.98x = 1,125,113.88 × 694,393.42 - Step 4: Simplify right side
817,159.98x = 781,271,675,022.67 - Step 5: Solve for x
x = 781,271,675,022.67/817,159.98 - Step 6: Final answer
x = 956,081.67
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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.