Finding the Fourth Proportional to 998,294.24, 1,377,642.72 and 545,585.12
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Solution
The fourth proportional to 998,294.24, 1,377,642.72 and 545,585.12 is: 752,905.65
Step by Step Solution
- Step 1: Write the proportion equation
998,294.24 : 1,377,642.72 = 545,585.12 : x - Step 2: Convert to fraction form
998,294.24/1,377,642.72 = 545,585.12/x - Step 3: Cross multiply
998,294.24x = 1,377,642.72 × 545,585.12 - Step 4: Simplify right side
998,294.24x = 751,621,368,708.33 - Step 5: Solve for x
x = 751,621,368,708.33/998,294.24 - Step 6: Final answer
x = 752,905.65
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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.