Finding the Fourth Proportional to 903,408.78, 1,246,705.95 and 495,513.99
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Solution
The fourth proportional to 903,408.78, 1,246,705.95 and 495,513.99 is: 683,810.31
Step by Step Solution
- Step 1: Write the proportion equation
903,408.78 : 1,246,705.95 = 495,513.99 : x - Step 2: Convert to fraction form
903,408.78/1,246,705.95 = 495,513.99/x - Step 3: Cross multiply
903,408.78x = 1,246,705.95 × 495,513.99 - Step 4: Simplify right side
903,408.78x = 617,760,239,641.24 - Step 5: Solve for x
x = 617,760,239,641.24/903,408.78 - Step 6: Final answer
x = 683,810.31
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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.