Finding the Fourth Proportional to 903,716.10, 1,247,140.95 and 495,810.53
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Solution
The fourth proportional to 903,716.10, 1,247,140.95 and 495,810.53 is: 684,225.52
Step by Step Solution
- Step 1: Write the proportion equation
903,716.10 : 1,247,140.95 = 495,810.53 : x - Step 2: Convert to fraction form
903,716.10/1,247,140.95 = 495,810.53/x - Step 3: Cross multiply
903,716.10x = 1,247,140.95 × 495,810.53 - Step 4: Simplify right side
903,716.10x = 618,345,618,522.06 - Step 5: Solve for x
x = 618,345,618,522.06/903,716.10 - Step 6: Final answer
x = 684,225.52
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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.