Finding the Fourth Proportional to 888,949.10, 1,332,386.85 and 356,206.70
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Solution
The fourth proportional to 888,949.10, 1,332,386.85 and 356,206.70 is: 533,894.60
Step by Step Solution
- Step 1: Write the proportion equation
888,949.10 : 1,332,386.85 = 356,206.70 : x - Step 2: Convert to fraction form
888,949.10/1,332,386.85 = 356,206.70/x - Step 3: Cross multiply
888,949.10x = 1,332,386.85 × 356,206.70 - Step 4: Simplify right side
888,949.10x = 474,605,122,961.90 - Step 5: Solve for x
x = 474,605,122,961.90/888,949.10 - Step 6: Final answer
x = 533,894.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.