Finding the Fourth Proportional to 606,681.20, 910,021.80 and 512,202.80
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Solution
The fourth proportional to 606,681.20, 910,021.80 and 512,202.80 is: 768,304.20
Step by Step Solution
- Step 1: Write the proportion equation
606,681.20 : 910,021.80 = 512,202.80 : x - Step 2: Convert to fraction form
606,681.20/910,021.80 = 512,202.80/x - Step 3: Cross multiply
606,681.20x = 910,021.80 × 512,202.80 - Step 4: Simplify right side
606,681.20x = 466,115,714,021.04 - Step 5: Solve for x
x = 466,115,714,021.04/606,681.20 - Step 6: Final answer
x = 768,304.20
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1.5x scale
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.