Finding the Fourth Proportional to 903,390.88, 1,246,701.36 and 495,509.44
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Solution
The fourth proportional to 903,390.88, 1,246,701.36 and 495,509.44 is: 683,815.06
Step by Step Solution
- Step 1: Write the proportion equation
903,390.88 : 1,246,701.36 = 495,509.44 : x - Step 2: Convert to fraction form
903,390.88/1,246,701.36 = 495,509.44/x - Step 3: Cross multiply
903,390.88x = 1,246,701.36 × 495,509.44 - Step 4: Simplify right side
903,390.88x = 617,752,292,740.84 - Step 5: Solve for x
x = 617,752,292,740.84/903,390.88 - Step 6: Final answer
x = 683,815.06
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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.