Finding the Fourth Proportional to 657,370.98, 907,171.29 and 355,564.26
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Solution
The fourth proportional to 657,370.98, 907,171.29 and 355,564.26 is: 490,678.32
Step by Step Solution
- Step 1: Write the proportion equation
657,370.98 : 907,171.29 = 355,564.26 : x - Step 2: Convert to fraction form
657,370.98/907,171.29 = 355,564.26/x - Step 3: Cross multiply
657,370.98x = 907,171.29 × 355,564.26 - Step 4: Simplify right side
657,370.98x = 322,557,688,422.10 - Step 5: Solve for x
x = 322,557,688,422.10/657,370.98 - Step 6: Final answer
x = 490,678.32
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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.