Finding the Fourth Proportional to 801,612.63, 1,106,184.06 and 438,966.45
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Solution
The fourth proportional to 801,612.63, 1,106,184.06 and 438,966.45 is: 605,751.05
Step by Step Solution
- Step 1: Write the proportion equation
801,612.63 : 1,106,184.06 = 438,966.45 : x - Step 2: Convert to fraction form
801,612.63/1,106,184.06 = 438,966.45/x - Step 3: Cross multiply
801,612.63x = 1,106,184.06 × 438,966.45 - Step 4: Simplify right side
801,612.63x = 485,577,689,864.79 - Step 5: Solve for x
x = 485,577,689,864.79/801,612.63 - Step 6: Final answer
x = 605,751.05
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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.