Finding the Fourth Proportional to 651,379.52, 898,644.99 and 406,220.06
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Solution
The fourth proportional to 651,379.52, 898,644.99 and 406,220.06 is: 560,422.32
Step by Step Solution
- Step 1: Write the proportion equation
651,379.52 : 898,644.99 = 406,220.06 : x - Step 2: Convert to fraction form
651,379.52/898,644.99 = 406,220.06/x - Step 3: Cross multiply
651,379.52x = 898,644.99 × 406,220.06 - Step 4: Simplify right side
651,379.52x = 365,047,621,756.50 - Step 5: Solve for x
x = 365,047,621,756.50/651,379.52 - Step 6: Final answer
x = 560,422.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.