Finding the Fourth Proportional to 657,296.19, 907,110.23 and 370,711.71
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Solution
The fourth proportional to 657,296.19, 907,110.23 and 370,711.71 is: 511,605.56
Step by Step Solution
- Step 1: Write the proportion equation
657,296.19 : 907,110.23 = 370,711.71 : x - Step 2: Convert to fraction form
657,296.19/907,110.23 = 370,711.71/x - Step 3: Cross multiply
657,296.19x = 907,110.23 × 370,711.71 - Step 4: Simplify right side
657,296.19x = 336,276,382,668.24 - Step 5: Solve for x
x = 336,276,382,668.24/657,296.19 - Step 6: Final answer
x = 511,605.56
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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.