Finding the Fourth Proportional to 774,210.52, 1,068,382.98 and 434,693.08
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Solution
The fourth proportional to 774,210.52, 1,068,382.98 and 434,693.08 is: 599,860.99
Step by Step Solution
- Step 1: Write the proportion equation
774,210.52 : 1,068,382.98 = 434,693.08 : x - Step 2: Convert to fraction form
774,210.52/1,068,382.98 = 434,693.08/x - Step 3: Cross multiply
774,210.52x = 1,068,382.98 × 434,693.08 - Step 4: Simplify right side
774,210.52x = 464,418,688,195.78 - Step 5: Solve for x
x = 464,418,688,195.78/774,210.52 - Step 6: Final answer
x = 599,860.99
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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.