Finding the Fourth Proportional to 885,979.60, 1,222,572.99 and 493,482.51
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Solution
The fourth proportional to 885,979.60, 1,222,572.99 and 493,482.51 is: 680,961.94
Step by Step Solution
- Step 1: Write the proportion equation
885,979.60 : 1,222,572.99 = 493,482.51 : x - Step 2: Convert to fraction form
885,979.60/1,222,572.99 = 493,482.51/x - Step 3: Cross multiply
885,979.60x = 1,222,572.99 × 493,482.51 - Step 4: Simplify right side
885,979.60x = 603,318,387,763.41 - Step 5: Solve for x
x = 603,318,387,763.41/885,979.60 - Step 6: Final answer
x = 680,961.94
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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.