Finding the Fourth Proportional to 898,155.36, 1,239,455.52 and 495,747.36
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Solution
The fourth proportional to 898,155.36, 1,239,455.52 and 495,747.36 is: 684,131.98
Step by Step Solution
- Step 1: Write the proportion equation
898,155.36 : 1,239,455.52 = 495,747.36 : x - Step 2: Convert to fraction form
898,155.36/1,239,455.52 = 495,747.36/x - Step 3: Cross multiply
898,155.36x = 1,239,455.52 × 495,747.36 - Step 4: Simplify right side
898,155.36x = 614,456,801,877.43 - Step 5: Solve for x
x = 614,456,801,877.43/898,155.36 - Step 6: Final answer
x = 684,131.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.