Finding the Fourth Proportional to 998,476.07, 1,498,088.12 and 518,404.19
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Solution
The fourth proportional to 998,476.07, 1,498,088.12 and 518,404.19 is: 777,800.47
Step by Step Solution
- Step 1: Write the proportion equation
998,476.07 : 1,498,088.12 = 518,404.19 : x - Step 2: Convert to fraction form
998,476.07/1,498,088.12 = 518,404.19/x - Step 3: Cross multiply
998,476.07x = 1,498,088.12 × 518,404.19 - Step 4: Simplify right side
998,476.07x = 776,615,148,314.76 - Step 5: Solve for x
x = 776,615,148,314.76/998,476.07 - Step 6: Final answer
x = 777,800.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.