Finding the Fourth Proportional to 817,159.87, 1,125,113.74 and 694,393.31
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Solution
The fourth proportional to 817,159.87, 1,125,113.74 and 694,393.31 is: 956,081.52
Step by Step Solution
- Step 1: Write the proportion equation
817,159.87 : 1,125,113.74 = 694,393.31 : x - Step 2: Convert to fraction form
817,159.87/1,125,113.74 = 694,393.31/x - Step 3: Cross multiply
817,159.87x = 1,125,113.74 × 694,393.31 - Step 4: Simplify right side
817,159.87x = 781,271,450,902.70 - Step 5: Solve for x
x = 781,271,450,902.70/817,159.87 - Step 6: Final answer
x = 956,081.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.