Finding the Fourth Proportional to 652,463.69, 900,398.06 and 362,119.09
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Solution
The fourth proportional to 652,463.69, 900,398.06 and 362,119.09 is: 499,723.32
Step by Step Solution
- Step 1: Write the proportion equation
652,463.69 : 900,398.06 = 362,119.09 : x - Step 2: Convert to fraction form
652,463.69/900,398.06 = 362,119.09/x - Step 3: Cross multiply
652,463.69x = 900,398.06 × 362,119.09 - Step 4: Simplify right side
652,463.69x = 326,051,322,063.38 - Step 5: Solve for x
x = 326,051,322,063.38/652,463.69 - Step 6: Final answer
x = 499,723.32
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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.