Finding the Fourth Proportional to 887,901.60, 1,332,046.80 and 355,288.80
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Solution
The fourth proportional to 887,901.60, 1,332,046.80 and 355,288.80 is: 533,010.99
Step by Step Solution
- Step 1: Write the proportion equation
887,901.60 : 1,332,046.80 = 355,288.80 : x - Step 2: Convert to fraction form
887,901.60/1,332,046.80 = 355,288.80/x - Step 3: Cross multiply
887,901.60x = 1,332,046.80 × 355,288.80 - Step 4: Simplify right side
887,901.60x = 473,261,309,115.84 - Step 5: Solve for x
x = 473,261,309,115.84/887,901.60 - Step 6: Final answer
x = 533,010.99
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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.