Finding the Fourth Proportional to 898,026.88, 1,239,274.56 and 495,616
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Solution
The fourth proportional to 898,026.88, 1,239,274.56 and 495,616 is: 683,948.68
Step by Step Solution
- Step 1: Write the proportion equation
898,026.88 : 1,239,274.56 = 495,616 : x - Step 2: Convert to fraction form
898,026.88/1,239,274.56 = 495,616/x - Step 3: Cross multiply
898,026.88x = 1,239,274.56 × 495,616 - Step 4: Simplify right side
898,026.88x = 614,204,300,328.96 - Step 5: Solve for x
x = 614,204,300,328.96/898,026.88 - Step 6: Final answer
x = 683,948.68
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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.