Finding the Fourth Proportional to 903,405.78, 1,246,701.81 and 495,510.99
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Solution
The fourth proportional to 903,405.78, 1,246,701.81 and 495,510.99 is: 683,806.17
Step by Step Solution
- Step 1: Write the proportion equation
903,405.78 : 1,246,701.81 = 495,510.99 : x - Step 2: Convert to fraction form
903,405.78/1,246,701.81 = 495,510.99/x - Step 3: Cross multiply
903,405.78x = 1,246,701.81 × 495,510.99 - Step 4: Simplify right side
903,405.78x = 617,754,448,107.89 - Step 5: Solve for x
x = 617,754,448,107.89/903,405.78 - Step 6: Final answer
x = 683,806.17
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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.