Finding the Fourth Proportional to 822,069.10, 1,224,435.14 and 785,184.82
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Solution
The fourth proportional to 822,069.10, 1,224,435.14 and 785,184.82 is: 1,169,497.66
Step by Step Solution
- Step 1: Write the proportion equation
822,069.10 : 1,224,435.14 = 785,184.82 : x - Step 2: Convert to fraction form
822,069.10/1,224,435.14 = 785,184.82/x - Step 3: Cross multiply
822,069.10x = 1,224,435.14 × 785,184.82 - Step 4: Simplify right side
822,069.10x = 961,407,885,002.58 - Step 5: Solve for x
x = 961,407,885,002.58/822,069.10 - Step 6: Final answer
x = 1,169,497.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.