Finding the Fourth Proportional to 928,693.00, 1,279,860.95 and 724,420.36
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Solution
The fourth proportional to 928,693.00, 1,279,860.95 and 724,420.36 is: 998,346.43
Step by Step Solution
- Step 1: Write the proportion equation
928,693.00 : 1,279,860.95 = 724,420.36 : x - Step 2: Convert to fraction form
928,693.00/1,279,860.95 = 724,420.36/x - Step 3: Cross multiply
928,693.00x = 1,279,860.95 × 724,420.36 - Step 4: Simplify right side
928,693.00x = 927,157,333,559.82 - Step 5: Solve for x
x = 927,157,333,559.82/928,693.00 - Step 6: Final answer
x = 998,346.43
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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.