Finding the Fourth Proportional to 927,416.84, 1,387,036.38 and 807,342.44
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Solution
The fourth proportional to 927,416.84, 1,387,036.38 and 807,342.44 is: 1,207,454.17
Step by Step Solution
- Step 1: Write the proportion equation
927,416.84 : 1,387,036.38 = 807,342.44 : x - Step 2: Convert to fraction form
927,416.84/1,387,036.38 = 807,342.44/x - Step 3: Cross multiply
927,416.84x = 1,387,036.38 × 807,342.44 - Step 4: Simplify right side
927,416.84x = 1,119,813,335,397.97 - Step 5: Solve for x
x = 1,119,813,335,397.97/927,416.84 - Step 6: Final answer
x = 1,207,454.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.