Finding the Fourth Proportional to 903,290.14, 1,246,557.94 and 495,368.17
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Solution
The fourth proportional to 903,290.14, 1,246,557.94 and 495,368.17 is: 683,617.69
Step by Step Solution
- Step 1: Write the proportion equation
903,290.14 : 1,246,557.94 = 495,368.17 : x - Step 2: Convert to fraction form
903,290.14/1,246,557.94 = 495,368.17/x - Step 3: Cross multiply
903,290.14x = 1,246,557.94 × 495,368.17 - Step 4: Simplify right side
903,290.14x = 617,505,116,827.14 - Step 5: Solve for x
x = 617,505,116,827.14/903,290.14 - Step 6: Final answer
x = 683,617.69
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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.