Finding the Fourth Proportional to 979,991.60, 1,352,426.59 and 544,441.84
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Solution
The fourth proportional to 979,991.60, 1,352,426.59 and 544,441.84 is: 751,350.95
Step by Step Solution
- Step 1: Write the proportion equation
979,991.60 : 1,352,426.59 = 544,441.84 : x - Step 2: Convert to fraction form
979,991.60/1,352,426.59 = 544,441.84/x - Step 3: Cross multiply
979,991.60x = 1,352,426.59 × 544,441.84 - Step 4: Simplify right side
979,991.60x = 736,317,618,424.01 - Step 5: Solve for x
x = 736,317,618,424.01/979,991.60 - Step 6: Final answer
x = 751,350.95
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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.