Finding the Fourth Proportional to 763,078.76, 1,053,097.98 and 440,802.44
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Solution
The fourth proportional to 763,078.76, 1,053,097.98 and 440,802.44 is: 608,335.84
Step by Step Solution
- Step 1: Write the proportion equation
763,078.76 : 1,053,097.98 = 440,802.44 : x - Step 2: Convert to fraction form
763,078.76/1,053,097.98 = 440,802.44/x - Step 3: Cross multiply
763,078.76x = 1,053,097.98 × 440,802.44 - Step 4: Simplify right side
763,078.76x = 464,208,159,143.07 - Step 5: Solve for x
x = 464,208,159,143.07/763,078.76 - Step 6: Final answer
x = 608,335.84
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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.