Finding the Fourth Proportional to 657,316.63, 907,097.01 and 355,510.63
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Solution
The fourth proportional to 657,316.63, 907,097.01 and 355,510.63 is: 490,604.70
Step by Step Solution
- Step 1: Write the proportion equation
657,316.63 : 907,097.01 = 355,510.63 : x - Step 2: Convert to fraction form
657,316.63/907,097.01 = 355,510.63/x - Step 3: Cross multiply
657,316.63x = 907,097.01 × 355,510.63 - Step 4: Simplify right side
657,316.63x = 322,482,629,496.22 - Step 5: Solve for x
x = 322,482,629,496.22/657,316.63 - Step 6: Final answer
x = 490,604.70
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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.