Finding the Fourth Proportional to 903,240.84, 1,246,489.47 and 495,316.80
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Solution
The fourth proportional to 903,240.84, 1,246,489.47 and 495,316.80 is: 683,546.57
Step by Step Solution
- Step 1: Write the proportion equation
903,240.84 : 1,246,489.47 = 495,316.80 : x - Step 2: Convert to fraction form
903,240.84/1,246,489.47 = 495,316.80/x - Step 3: Cross multiply
903,240.84x = 1,246,489.47 × 495,316.80 - Step 4: Simplify right side
903,240.84x = 617,407,175,514.10 - Step 5: Solve for x
x = 617,407,175,514.10/903,240.84 - Step 6: Final answer
x = 683,546.57
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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.