Finding the Fourth Proportional to 779,223.20, 1,168,834.80 and 474,792.80
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Solution
The fourth proportional to 779,223.20, 1,168,834.80 and 474,792.80 is: 712,189.20
Step by Step Solution
- Step 1: Write the proportion equation
779,223.20 : 1,168,834.80 = 474,792.80 : x - Step 2: Convert to fraction form
779,223.20/1,168,834.80 = 474,792.80/x - Step 3: Cross multiply
779,223.20x = 1,168,834.80 × 474,792.80 - Step 4: Simplify right side
779,223.20x = 554,954,347,429.44 - Step 5: Solve for x
x = 554,954,347,429.44/779,223.20 - Step 6: Final answer
x = 712,189.20
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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.