Finding the Fourth Proportional to 903,253.84, 1,246,507.40 and 495,329.84
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Solution
The fourth proportional to 903,253.84, 1,246,507.40 and 495,329.84 is: 683,564.56
Step by Step Solution
- Step 1: Write the proportion equation
903,253.84 : 1,246,507.40 = 495,329.84 : x - Step 2: Convert to fraction form
903,253.84/1,246,507.40 = 495,329.84/x - Step 3: Cross multiply
903,253.84x = 1,246,507.40 × 495,329.84 - Step 4: Simplify right side
903,253.84x = 617,432,311,000.82 - Step 5: Solve for x
x = 617,432,311,000.82/903,253.84 - Step 6: Final answer
x = 683,564.56
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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.