Finding the Fourth Proportional to 887,923.60, 1,332,079.80 and 355,310.80
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Solution
The fourth proportional to 887,923.60, 1,332,079.80 and 355,310.80 is: 533,043.99
Step by Step Solution
- Step 1: Write the proportion equation
887,923.60 : 1,332,079.80 = 355,310.80 : x - Step 2: Convert to fraction form
887,923.60/1,332,079.80 = 355,310.80/x - Step 3: Cross multiply
887,923.60x = 1,332,079.80 × 355,310.80 - Step 4: Simplify right side
887,923.60x = 473,302,339,401.84 - Step 5: Solve for x
x = 473,302,339,401.84/887,923.60 - Step 6: Final answer
x = 533,043.99
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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.