Finding the Fourth Proportional to 998,099.84, 1,377,381.36 and 545,390.84
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Solution
The fourth proportional to 998,099.84, 1,377,381.36 and 545,390.84 is: 752,641.32
Step by Step Solution
- Step 1: Write the proportion equation
998,099.84 : 1,377,381.36 = 545,390.84 : x - Step 2: Convert to fraction form
998,099.84/1,377,381.36 = 545,390.84/x - Step 3: Cross multiply
998,099.84x = 1,377,381.36 × 545,390.84 - Step 4: Simplify right side
998,099.84x = 751,211,176,930.74 - Step 5: Solve for x
x = 751,211,176,930.74/998,099.84 - Step 6: Final answer
x = 752,641.32
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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.