Finding the Fourth Proportional to 998,247.81, 1,497,207.69 and 358,419.09
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Solution
The fourth proportional to 998,247.81, 1,497,207.69 and 358,419.09 is: 537,569.74
Step by Step Solution
- Step 1: Write the proportion equation
998,247.81 : 1,497,207.69 = 358,419.09 : x - Step 2: Convert to fraction form
998,247.81/1,497,207.69 = 358,419.09/x - Step 3: Cross multiply
998,247.81x = 1,497,207.69 × 358,419.09 - Step 4: Simplify right side
998,247.81x = 536,627,817,790.80 - Step 5: Solve for x
x = 536,627,817,790.80/998,247.81 - Step 6: Final answer
x = 537,569.74
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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.