Finding the Fourth Proportional to 903,579.74, 1,246,730.70 and 540,865.70
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Solution
The fourth proportional to 903,579.74, 1,246,730.70 and 540,865.70 is: 746,269.36
Step by Step Solution
- Step 1: Write the proportion equation
903,579.74 : 1,246,730.70 = 540,865.70 : x - Step 2: Convert to fraction form
903,579.74/1,246,730.70 = 540,865.70/x - Step 3: Cross multiply
903,579.74x = 1,246,730.70 × 540,865.70 - Step 4: Simplify right side
903,579.74x = 674,313,872,766.99 - Step 5: Solve for x
x = 674,313,872,766.99/903,579.74 - Step 6: Final answer
x = 746,269.36
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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.